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  • Review Article
  • OPEN ACCESS

Diagnostic and Therapeutic Strategies for Peritoneal Tuberculosis: A Review

  • David C. Wu,
  • Leon D. Averbukh* and
  • George Y. Wu
 Author information  Cite
Journal of Clinical and Translational Hepatology   2019;7(2):140-148

doi: 10.14218/JCTH.2018.00062

Abstract

Peritoneal tuberculosis (PTB), although rarer than its pulmonary counterpart, is a serious health concern in regions of the world with high tuberculosis prevalence. Individuals with baseline immunocompromise condition, whether acquired or medically induced, are at greatest risk for experiencing PTB. While medical treatment of the condition is similar to that of the pulmonary disease, the generally immunocompromised state of those infected with PTB, along with a lack of highly sensitive and specific testing methods make early diagnosis difficult. This review discusses the risks factors, clinical features, diagnostic methods, and treatment options for PTB.

Keywords

Peritoneal tuberculosis, Tuberculosis, Liver disease, Human immunodeficiency virus

Introduction

Tuberculosis (TB) therapy and the generally improving socioeconomic status worldwide have decreased the burden of TB. However, one-fourth of the world’s population continues to be infected with TB.1 Regions of southeast Asia, the Western Pacific and sub-Saharan Africa remain particularly affected. While most cases of TB are pulmonary, the rate of abdominal cavity infection and its contents, identified as abdominal TB, appears to be rising and is currently the 6th most common extrapulmonary site for TB infection.2 TB of the peritoneum (PTB) accounts for about 25–50% of abdominal TB cases and 0.1–0.7% of all TB cases.3

The rising prevalence of abdominal TB, and along with it PTB, is thought to be secondary to the increasing prevalence of immunocompromised states, including human immunodeficiency virus (HIV) infection and alcoholic liver disease, as well as of increased migration into endemic regions.4,5 PTB most commonly affects those between the ages of 35–45 with equal rates amongst both sexes and has a strong correlation with lower socioeconomic status, poor hygiene, and overcrowding.6 In this review, we discuss the clinical features, pathogenesis, diagnostic techniques, and therapy for PTB, a specific subtype of abdominal TB affecting the peritoneum.

Clinical features

PTB is difficult to diagnose clinically, given its nonspecific features that often overlap with many other chronic conditions, such as liver cirrhosis and autoimmune deficiency syndrome (commonly known as AIDS). Classically, PTB presents as one of three different variants: wet-ascitic, fibrotic-fixed, and dry plastic.7 The wet-ascitic type is defined by large amounts of loculated or high protein ascitic fluid. The fibrotic type is characterized by interloped adhesions of bowel along the omentum and mesentery. The dry plastic type is characterized by a gross inflammatory reaction demonstrated by diffuse fibrous adhesions and nodules all along the peritoneum. It should be noted, however, that PTB can present as a combination of these three variants.

On presentation, there is significant variability in symptom onset and duration, ranging from several weeks to months. Most commonly, patients present with signs and symptoms of vague abdominal pain, weight loss, fever, abdominal ascites, abdominal distension, abdominal mass, and abdominal tenderness7–12 (Table 1).

Table 1.

Literature8,10,11,37,39,44,75–85 review of commonly described symptoms and signs of PTB

CharacterizationTotal/Avg frequency
Number of cases1725
Symptoms
 Abdominal pain75.0%
 Weight loss53.0%
Signs
 Fever69.0%
 ascites62.0%
 Abdominal distension60.0%
 Abdominal mass34.0%
 Abdominal tenderness49.0%

Susceptibility and mechanisms of pathogenesis

Most commonly, PTB develops as a result of reactivation of latent TB. The pathologic mechanism involves the activation of localized tuberculous focus in the peritoneum created by the hematogenous spread of bacteria from the primary pulmonary focus by mesenteric lymph nodes during prior infection. PTB can less commonly develop in the setting of active pulmonary of miliary TB by the same mechanism13 (Figs. 1 and 2). Alternative routes of infection include ingestion of bacilli with subsequent passage to mesenteric lymph nodes through the Peyer’s patches in intestinal mucosa as well as contiguous spread from infected lymph nodes, ileocecal TB, or genitourinary TB.14 Although very rare, PTB caused by Mycobacterium bovis rather than M. tuberculosis has been noted to occur following the ingestion of unpasteurized milk.15

Mechanisms of PTB development.
Fig. 1.  Mechanisms of PTB development.

There are three main pathways through which TB infects the peritoneum. In most cases, the bacterial spread is achieved by reactivation of TB in the lungs (or other solid organs) and subsequent hematogenous or lymphatic spread to the peritoneum (depicted in 1). Though rare, peritoneal infection by the intestinal tract is possible due to the ingestion of infected milk or sputum. In this pathway, the TB infects the mucosal layer of the gastrointestinal tract, with subsequent formation of epithelioid tubercles in the lymphoid tissue of the submucosa. Caseous necrosis of the tubercles in roughly 2–4 weeks leads to mucosal ulceration and can lead to infection of deeper layers of the intestines and eventually into adjacent lymph nodes and peritoneum (depicted in 2). The third pathway of peritoneal infection involves the direct spread to the peritoneum from an infected adjacent focus, such as the fallopian tubes (pictured) or a psoas abscess74 (depicted in 3). The icons were adapted from flaticon.com. Abbreviations: PTB, peritoneal tuberculosis; TB, tuberculosis.

Formation of the TB granuloma in primary lung infection and subsequent spread.
Fig. 2.  Formation of the TB granuloma in primary lung infection and subsequent spread.

Following the inhalation of contaminated aerosols, Mycobacterium tuberculosis is recognized by macrophages in the lung alveoli by surface receptors (depicted in 1). Subsequently, the bacteria are taken up by macrophages which, along with epithelial cells and neutrophils, trigger innate immune signaling pathways that allow for the production of chemokines and cytokines (depicted in 2). The release of chemokines and cytokines recruits more macrophages, lymphocytes, and dendritic cells to the infection site, where they form granulomas composed of infected macrophages in the middle, surrounded by lymphocytes (CD4+, CD8+, gamma/delta T cells). The conglomerated macrophages can also fuse to form multinucleated giant cells or differentiate into lipid rich foamy cells (depicted in 3 and 4). Within the granuloma, bacteria can survive for years, in a latent disease state. However, once triggered by external factors, such as additional immunocompromising states, the bacteria can reactivate, killing the core infected macrophages and, thereby, producing a necrotic zone at the center of the granuloma known as a caseum (depicted in 4). The granulomatous structure weakens with the caseum and eventually breaks down, releasing bacteria through the body by blood, lymph, and infectious aerosolized droplets. Abbreviation: TB, tuberculosis.

Infectious disease: HIV

HIV is one of the most significant risk factors for the development of both pulmonary and extrapulmonary TB. Up to 50% of patients with active TB who are HIV positive develop extrapulmonary manifestations, as compared to only 10–15% of those who have active TB but are HIV negative.16 Clinically important is the finding that PTB in patients with untreated HIV may be relatively asymptomatic and can go undiagnosed due to the patient’s inability to mount an immune response. In one case report, a patient’s PTB was diagnosed only after experiencing immune reconstitution syndrome following initiation of antiretroviral therapy for HIV.17 The mechanism behind the increased susceptibility for PTB in HIV patients lies in the impairment of the T-helper cell 1-type immune response, a crucial part of the adaptive immune system for TB defense.18

Immunomodulating medications

Immunomodulating medications have been implicated as significant risk factors for PTB. Patients on tumor necrosis factor alpha (TNFα) inhibitor therapy for autoimmune disorders, including Crohn’s disease and psoriasis, have been noted to be at risk for TB reactivation.19–21 The mechanism behind this reactivation is believed to be due to the role TNFα plays in inducing granuloma formation, thereby controlling bacterial growth and limiting bacterial dissemination and tissue damage during TB infection. With TNFα blocking medications such as infliximab and adalimumab, granuloma formation and maintenance is impaired and the likelihood of disseminated disease increases.19–23 Other inflammatory modulating medications, such as corticosteroids, have also been shown to increase the risk of developing PTB.15

Pathologic states: Liver cirrhosis, diabetes mellitus, and renal failure requiring dialysis

Liver cirrhosis, diabetes mellitus, and renal failure requiring continuous ambulatory peritoneal dialysis have all been demonstrated to be significant risk factors in the development of PTB.24–26 Cirrhotic patients have significantly higher rates of pulmonary TB infection. In one study, the infection rate in cirrhotic patients was found to be nearly 15 times that of the general population.24 Additionally, cirrhotic patients are significantly more likely to exhibit extrapulmonary TB (31% vs. 12% in the general population) with the predominant manifestation being peritoneal.27 The etiology of cirrhosis also appears to be important as alcohol abuse and was found to be an underlying cause in up to as many as 90% of cirrhotic patients with PTB.28 The mechanism behind the increased risk of PTB in cirrhosis secondary to alcoholic liver disease is unknown, though it has been hypothesized to involve the cumulative effects of factors not as prominent in nonalcoholic liver disease cases of cirrhosis, such as malnutrition and impaired T cell-dependent function.2

Diabetes has been identified as a significant risk factor for PTB susceptibility. In one Taiwanese study, the incidence of PTB in diabetics was as high as 26.7%, as opposed to 6.7% in nondiabetics.29 The reason for an increased risk of PTB in diabetics is believed to involve reduced phagocytic capability of peritoneal macrophages.30 Studies involving a murine model showed that among those infected with TB, diabetic mice, when compared to their non-diabetic peers, had significantly higher bacillary loads in the abdominal cavity. The isolated macrophages of the diabetic mice showed lower uptake of mycolic acid-coated beads, reduced bacterial internalization and killing, and altered cytokine responses by TNFα, monocyte chemoattractant protein-1 (commonly known as MCP-1) and interleukin-6 (commonly known as IL-6). The diabetic mice also displayed more inflammatory lesions than their nondiabetic counterparts.30

Patients with end-stage renal failure on continuous ambulatory peritoneal dialysis have been found to be at significantly higher risk for PTB, when compared to the general population, especially in developing countries and south Asia.31 Patients with renal failure are at higher risk for PTB secondary to their deficiency in cell-mediated immunity.32 Additionally, the dialysis effluent used in continuous ambulatory peritoneal dialysis is bioincompatible due to its increased glucose concentration and nonphysiologic pH, impairing phagocytic and lymphocytic activity in the peritoneum and increasing risk of disseminated infection.32

Genetic variables

Recent studies have found that Toll-like receptors, such as TLR-2, that play a key role in the innate immune system are important in host defense against M. tuberculosis.33 Polymorphisms of TLR-2 have been shown to significantly impact susceptibility or resistance to TB.34 Though these polymorphisms have generally been studied in pulmonary TB, one series investigated cases of PTB and found that there was a significant association between the GA genotype (heterozygous mutant) of TLR-2 Arg753Gln polymorphism and the risk of infection with PTB.33 This suggests that individuals with genetic polymorphisms of the Arg753Gln portion of TLR-2 may be at increased risk of developing PTB, as compared to those with nonmutant variants. Currently, however, there is no support for polymorphism screening in patients.

Diagnostic methods for PTB

Hematological tests

PTB is insidious and difficult to diagnose. Routine hematologic tests are nonspecific, as the most frequent hematologic findings include moderate normochromic normocytic anemia, thrombocytosis, and white blood cell counts within normal limits.14

Interferon gamma release assays (IGRAs), such as quantiferon gold-TB gold in-tube (QFT-GIT) and T-spot TB, are in vitro assays that quantify the level of interferon gamma released by T-lymphocytes in a blood sample after exposure to synthetic TB antigen (e.g., ESAT-6) which are normally absent from the bacillus Calmette–Guérin vaccine. These assays are dependent on primary versus secondary immunologic response, in which the second response lymphocytes produce a larger amount of interferon gamma relative to the primary response. Therefore, these tests demonstrate a patient’s exposure to TB but are unable to distinguish between latent and active infections. Unfortunately, due to the molecular mechanism behind IGRA testing, the frequently immunocompromised states of those with PTB will likely result in reduced test sensitivities/ indeterminate results.

For these reasons, IGRAs alone are insufficient in diagnosing PTB. In one meta-analysis on extrapulmonary TB, in a total of 1,711 patients in low- and middle-income countries, the pooled sensitivity for QFT-G was only 72% [95% CI: 56–79%] and 90% [95% CI: 86%–93%] for T-SPOT.35 However, if used in conjunction with radiologic and clinical assessments, IGRAs may help increase diagnostic power in those with suspected PTB.36

Ascitic fluid tests

Ascitic fluid analysis is frequently performed for patients with suspected PTB. The most common ascitic fluid tests include acid-fast bacilli stain/smear and culture, white blood cell count, lactate dehydrogenase, serum-ascites albumin gradient (SAAG) score, and cancer antigen-125. Acid-fast bacilli staining and Ziehl-Neelsen staining of aspirated ascitic fluid are generally insensitive up to 3%, while bacterial culture sensitivities range from 21–35%.37,38 In patients with PTB and ascites, ascitic aspirate for white blood cell count varies widely depending on the patient immune status, from as low as 500 to as high as 1500 cells/mm3. The exception to this finding are patients with renal failure, in whom the predominant ascitic fluid cell type has been reported to be neutrophilic.2,12,39 At this time, the discrepancy in cell types between those with renal failure and those without is not well understood.

Within the last 10 years, the role of IGRAs in the diagnosis of PTB in ascitic fluid has gained momentum. In a 2015 meta-analysis, investigators found that the diagnostic accuracy of QFT-GIT with T-SPOT TB was greater in IGRAs of extra-sanguineous body fluid compared with peripheral blood. This is most likely due to the higher concentration of lymphocytes within the body compartments that have the highest TB load. Additionally, these studies found that the T-spot TB test outperformed QFT-GIT in both sensitivity, 95% with 95% CI: 92–96, and specificity, 78% with 95% CI: 69–85).40 However, application of this information for diagnosis of PTB is limited as the sample size of analyzed peritoneal fluid was small compared with extra-pulmonary fluid sources.

Biochemical tests

Of the biochemical tests conducted on PTB ascitic fluid, lactate dehydrogenase has the highest pooled sensitivity, averaging around 77%. However, lactate dehydrogenase provides a similar sensitivity for other diseases, such as pancreatic ascites and peritoneal carcinomatosis, and therefore does not provide discriminatory value without clinical correlation.41

When evaluating ascitic protein levels, a SAAG can be calculated to help differentiate ascites secondary to portal hypertension from nonportal sources. The SAAG is calculated by subtracting the ascitic albumin level from the serum albumin level. A SAAG <1.1 g/L can have up to 100% sensitivity for ascites of nonportal etiology in patients with PTB and no complicating chronic liver disease.42,43 In cases where PTB diagnosis is complicated by chronic liver disease, the sensitivity of this calculation drops significantly to 28–88%.41,42 Unfortunately, in both cases, the specificity of the test remains poor.

Cancer antigen (commonly known as CA)-125 is a sensitive, but nonspecific tumor marker for ovarian carcinoma that has been reported to be increased in PTB. At cutoffs of 35 U/mL, CA-125 was found to have an average sensitivity of 83.33% and a specificity of 50% for PTB. The degree of CA-125 increase may be useful in diagnostically differentiating PTB and ovarian carcinoma, although little data exists on the subject at this time.2,43,44

Adenosine deaminase (ADA) levels and PCR are newer ascitic molecular diagnostic tools to detect mycobacteria. ADA, an aminohydrolase involved in purine metabolism, is a potent modulator of T cell differentiation.45 Recent studies examining ADA as a molecular marker for PTB found a proportional increase in differentiation of T cells in response to TB antigen. Test sensitivities and specificities were noted to be >90% with ascitic ADA levels >30 U/L.2,8,12,39–48

Gene amplification techniques, like real-time PCR, have also shown tremendous potential. The Xpert nested real-time MTB/ rifampin (RIF) PCR (CepheidGeneXpert® System, USA), approved for use by the World Health Organization in 2010, has demonstrated initial sensitivities and specificities as high as 93.7% and 91.7%, respectively, in cases of pulmonary TB.49 In a recent meta-analysis of 4461 samples comparing Xpert MTB/RIF assay with culture or composite standard, the Xpert pooled sensitivity and specificity was demonstrated to be 83.1% [95% CI: 71.4–90.7%] and 81.2% [95% CI: 72.4–87.7%], respectively.50 One study looking at the diagnostic accuracy of Xpert MTB in 16,213 specimens presumed to have EPTB found the pooled Xpert sensitivity to range from 31% in pleural tissue to 97% in bone or joint, while the pooled Xpert specificity ranged from 99% in pleural tissues to 82% in bone or joint.51 The majority of studies support Xpert MTB as an excellent diagnostic test for ruling in EPTB, especially when there is a positive confirmed culture. Unfortunately, it appears that Xpert MTB may have significant variability in sensitivity relative to the tissue being sampled.50,51

Additional studies attempting to improve on the headway made in gene amplification include studies on multiplex PCR with selected gene targets previously determined to have high specificity for TB such as mycobacterial protein 64 and insertion sequence 6110. In addition to increasing the general sensitivity of the assay, these new targets also have the added benefit of bypassing the high cost of the Xpert assay. In one study comparing the Xpert MTB/RIF assay with multiplex PCR in the detection of TB in suspected pulmonary TB, multiplex PCR had a higher sensitivity and specificity (sensitivity of 100.0% and specificity of 66.7%) than Xpert MTB/RIF (sensitivity of 78.6% and specificity of 33.3%).52 A number of other studies looking at multiplex PCR in the diagnosis of extrapulmonary TB suggested a pooled sensitivity of roughly 94.5%.53–56 It should be noted that gene amplification techniques are only as good as the sequence of probes being used, and not all genes being targeted will have the same sequence.

The gold standard for definitive PTB diagnosis remains laparoscopy with peritoneal biopsy and subsequent pathological or microbiologic confirmation.57–60 Less invasive imaging techniques, such as ultrasound and computed tomography, can also initially be used to detect abdominal changes common in PTB, such as ascites (free or loculated), lymphadenopathy, peritoneal thickening and nodules, adhesions, and fibrinous septations.61–63 Additionally, computed tomography can be combined with 18F-fluorodeoxyglucose positron emission tomography to increase sensitivity in determining peritoneal thickening of unknown origin.64 Either computed tomography or ultrasound can be used to facilitate peritoneal needle biopsy or aspiration of ascitic fluid.65 Our recommended stepwise approach for the diagnosis of PTB is detailed in Fig. 3.

Proposed algorithm for diagnostic strategies in PTB, adapted and modified from Sinai, 2005.
Fig. 3.  Proposed algorithm for diagnostic strategies in PTB, adapted and modified from Sinai, 2005.

Abbreviation: PTB, peritoneal tuberculosis.

Treatment

Treatment for PTB is pharmacologic, with the drug regimen consistent with that used for pulmonary TB. Currently, the five common first-line medications are isoniazid (INH), RIF, pyrazinamide, ethambutol, and streptomycin. Treatment duration consists of a four-drug regimen administered for 2 months, with continuation of treatment with RIF and INH for 4 or more months12 (Table 2). Studies examining the efficacy of prolonged dual-agent continuation therapy for 6 months or greater have not shown increased efficacy compared to the standard 4-month regimen.66,67 Response to therapy in PTB is usually noted within the first 3 months of treatment and is guided by the resolution of presenting symptoms, such as ascites and normalization of laboratory values.12 Surgical intervention in PTB is reserved for cases exhibiting signs of bowel perforation, intestinal obstruction, fistulae, abscesses, and hemorrhage.15

Table 2.

PTB medical treatment in those with liver disease

Concomitant immunocompromising conditionsInitial therapyContinuation therapyComments
No liver disease652 months of INH, RIF, PZA and EMB given dailyϕINH and RIF daily for at least an additional 4 months
No liver disease, HIV+ on antiretroviral therapy652 months of INH, RIF, PZA and EMB given dailyINH and RIF daily for at least an additional 4 monthsAs HIV patients are often on many additional medications, caution must be used when managing possible drug-drug interactions between HAART and TB therapy
No liver disease, HIV+ not on antiretroviral therapy/ delayed response to therapy672 months of INH, RIF, PZA and EMB given dailyINH and RIF daily for at least an additional 7 months
Treatment failure70Revision of therapy with at least three unused medications with at a minimum one injectable agent while awaiting sensitivities
Liver disease present12RIF, PZA and EMB for 6 months
INH, RIF, EMB for 2 monthsfollowed by INH and RIF for another 7 months
RIF, EMB, a fluoroquinolone, cycloserine/ injectable agents for 12–18 months
SM, EMB, fluoroquinolone (e.g., moxifloxacin), and another second-line oral drugSecond-line agents: fluoroquinolones, rifabutin, ethionamide, amino salicylic acid, cycloserine
ϕ

While additional TB therapies have been found to be equally efficacious in cases of pulmonary disease, listed treatment regimens reflect those that have been trialed specifically in cases of abdominal tuberculosis.

Abbreviations: EMB, ethambutol; HAART, highly-active antiretroviral therapy; INH, isoniazid; PZA, pyrazinamide; RIF, rifampin; TB, tuberculosis.

For HIV-positive patients on antiretroviral therapy, the TB treatment regimen does not differ from the aforementioned drug regimen, barring any drug-drug interactions with the antiretroviral medications. For HIV-positive patients not on antiretroviral therapy at the time of PTB diagnosis or for those with a delayed response to therapy, it is recommended that the continuation phase of treatment be extended to 7 months.68

Hepatotoxicity (11% of cases) is the most common cause of TB therapy discontinuation among all infected patients treated with combinations of INH, RIF, and pyrazinamide.69 In those that do not have serious hepatic complications from TB treatment, asymptomatic elevations in liver enzymes, specifically aspartate aminotransferase (AST), may occur. Unless enzyme elevations increase to 5 times the normal limit or 3 times the normal limit in the setting of symptomatic liver dysfunction, the treatment should not be altered.12 However, if there is an increase in liver enzyme levels, the intervals between scheduled liver function testing should be shortened. Other markers of adverse effects of TB therapy include rising bilirubin and alkaline phosphatase levels. These should be closely monitored and further investigated for complicating causes, such as worsening TB dissemination and/or direct infection of the liver/gallbladder. If laboratory markers or symptoms are severe enough to warrant the temporary cessation of therapy, treatment should not be reinitiated until AST levels are below 2 times the normal threshold. Once the decision is made to restart therapy, RIF may be restarted followed by INH, pyrazinamide, and ethambutol at a week apart.12

Patients with baseline liver disease face potentially serious complications from PTB treatment. One study showed hepatotoxicity rates of 26% in a cohort with baseline liver disease treated with the standard quadruple-agent therapy with dual-agent continuation therapy, while another cohort also with baseline liver disease and treated with INH, RIF, ethambutol and ofloxacin for 2 months followed by INH and RIF for 10 months, showed no hepatotoxicity.64 Importantly, both groups achieved 100% response to their respective therapies. While several alternative regimens have been proposed for patients with liver disease, there is no universally adopted treatment strategy at this time.70 Unfortunately, delay or failure to treat TB carries high mortality rates, with one study showing an overall mortality rate of 35% and a mortality rate in cirrhotics as high as 73%.71

Corticosteroids have been used in some studies as an adjuvant therapy during the treatment process of PTB, dating as far back as the 1960’s.72 The theory behind the use of corticosteroids revolves around the idea that they reduce the amount of peritoneal inflammation and fibrosis caused by the infection and ultimately prevent adhesions that can lead to intestinal obstruction.73 While some modest benefit has been noted in small-scale studies, corticosteroids have not been extensively studied in this capacity and their use in PTB is not regularly recommended.

Conclusions

PTB is a growing problem due to the rising rates of immune compromise among the global population. Unfortunately, the diagnosis of PTB is difficult to make given its nonspecific symptoms and presentation. While imaging may be helpful in some presenting cases, paracentesis with fluid analysis remains paramount for diagnostic work-up. Although newer molecular biologic diagnostic techniques, such as PCR or ligase chain reaction, have shown significant promise, at present they are limited by their high false positive rates. Ultimately, there is no single laboratory test that can be used to consistently confirm the diagnosis of PTB, and at this time invasive studies, such as laparoscopy with peritoneal biopsy and subsequent histological or microbiologic confirmation, remain the gold standard for diagnosis.

Treatment of PTB depends on the severity of the disease, condition of the adaptive immune system, and baseline liver function. The antibiotic regimen for cases of uncomplicated PTB does not differ significantly from that of pulmonary TB. In cases of complicated PTB, such as in patients with HIV, an extended duration of therapy of at least 7 months is indicated. Due to the hepatoxicity of the agents used to treat PTB, liver function should be monitored throughout the course of antibiotic use, with treatment cessation only indicated in patients without signs of liver dysfunction who experience liver enzyme elevations 5 times the normal limit or in those with signs of liver dysfunction and and elevated liver enzymes 3 times the normal limit.

Abbreviations

ADA: 

adenosine deaminase

AIDS: 

autoimmune deficiency syndrome

HIV: 

human immunodeficiency virus

IGRA: 

interferon gamma release assay

INH: 

isoniazid

MCP-1: 

monocyte chemoattractant protein-1

PTB: 

peritoneal tuberculosis

QFT-GIT: 

quantiferon gold-TB gold in-tube

RIF: 

rifampin

SAAG: 

serum-ascites albumin gradient

TB: 

tuberculosis

TNFα: 

tumor necrosis factor alpha

TLR: 

Toll-like receptor

Declarations

Conflict of interest

The authors have no conflict of interests related to this publication.

Authors’ contributions

Wrote the manuscript (DCW, LDA), and developed the idea for the article and critically revised it (GYW).

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  • Journal of Clinical and Translational Hepatology
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Diagnostic and Therapeutic Strategies for Peritoneal Tuberculosis: A Review

David C. Wu, Leon D. Averbukh, George Y. Wu
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