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Changes in serum proteins, erythrocyte sedimentation rate and Mantoux tuberculin skin test reactivity in active tuberculosis

Liam CK, Lim KH, Wong CMM

JUMMEC, 1998;3:47-53.

The records of 141 consecutive patients with proven tuberculosis (TB) were reviewed to examine for changes in their serum proteins, erythrocyte sedimentation rate (ESR) and tuberculin skin test reactivity. Hypoalbuminaemia was present in 73% of patients and hyperglobulinaemia was seen in 92% of patients. ESR showed a negative correlation with the serum albumin level but a positive correlation with the serum globulin level. In the case of pulmonary TB, ESR was higher in patients with radiologically more extensive disease. Tuberculin reactivity was reduced in patients who were older, those with more severe hypoalbuminaemia and those with disseminated TB. KEYWORDS: Albumin, erythrocyte sedimentation rate, globulin, tuberculin reactivity, tuberculosis

Matched MeSH terms: Tuberculin Test
Fulltext Influence of diabetes mellitus and risk factors in activating latent tuberculosis infection: a case for targeted screening in Malaysia

Swarna Nantha Y

Med J Malaysia, 2012 Oct;67(5):467-72.
PMID: 23770860 MyJurnal

A review of the epidemiology of tuberculosis, its contributing risk factors (excluding HIV) and the role of screening latent tuberculosis infection in Malaysia was done. Despite the global and domestic decrease in prevalence rates of tuberculosis in the past decade, there is an alarming increase in the trend of non communicable diseases in the country. High prevalence rates of major risk factors leading to reactivation of tuberculosis were seen within the population, with diabetes mellitus being in the forefront. The rising numbers in the ageing population of Malaysia poses a further threat of re-emergence of tuberculosis in the years to come. Economically, screening of diabetic patients with comorbidities for latent tuberculosis infection (LTBI) using two major techniques, namely tuberculin sensitivity (TST) and Interferon gamma release assay tests (IGRA) could be a viable option. The role of future research in the detection of LTBI in the Malaysian setting might be necessary to gauge the disease reservoir before implementing prophylactic measures for high risk groups involved.

Matched MeSH terms: Tuberculin Test*
Fulltext Clinical Practice Guidelines for the Control & Management of Tuberculosis, Third Edition

ISBN: 978-967-0399-39-3

Citation: Clinical Practice Guidelines for the Control & Management of Tuberculosis, Third Edition. Putrajaya: Ministry of Health, Malaysia; 2012
Quick Reference: http://www.acadmed.org.my/view_file.cfm?fileid=568
Training Manual: http://www.acadmed.org.my/view_file.cfm?fileid=628

Older version: First Edition (2002); Second Edition (2006)

Matched MeSH terms: Tuberculin Test
Fulltext First evaluation of the performance of portable IGRA, QIAreach® QuantiFERON®-TB in intermediate TB incidence setting

Aziz ZA, Noordin NM, Wan Mohd WM, Kasim MA

PLoS One, 2023;18(2):e0279882.
PMID: 36763619 DOI: 10.1371/journal.pone.0279882

Diagnosis and treatment of tuberculosis infection (TBI) are the core elements of tuberculosis elimination. Interferon gamma release assays have advantages over the tuberculin skin test, although their implementation in low-resource settings is challenging. The performance of a novel digital lateral flow assay QIAreach® QuantiFERON®-TB (QIAreach QFT) against the QuantiFERON®-TB Gold Plus (QFT-Plus) assay was evaluated in an intermediate incidence setting (Malaysia) according to the manufacturer's instructions. Individuals aged 4-82 years, who were candidates for TB infection screening for contact investigation were prospectively recruited. On 196 samples, the QIAreach-QFT showed a positive percent agreement (sensitivity) was 96.5% (CI 87.9-99.6%), a negative percent agreement (specificity) 94.2% (CI 88.4% to 97.6%) and an overall percentage of agreement was 94.9% (95% CI 90.6-97.6%) with a Cohen's κ of 0,88. Out of 196, 5.6% (11/196) samples gave an error result on QIAreach-QFT and 4.1% (8/196) samples gave indeterminate result on QFT-plus. The TTR for QIAreach QFT positive samples varied from 210-1200 seconds (20 min) and significantly correlated with IFN-γ level of QFT-Plus. QIAreach QFT could be considered an accurate and reliable point-of-need test to diagnose TB infection helping to achieve the WHO End TB programme goals even in decentralised settings where laboratory expertise and infrastructure may be limited.

Matched MeSH terms: Tuberculin Test
Fulltext Clinical significance of Mantoux test in Malaysian patients

Yaacob I, Ahmad Z

Med J Malaysia, 1990 Sep;45(3):231-4.
PMID: 2152084

The value of tuberculin skin testing in the diagnosis of active tuberculosis remains uncertain. Interpretation of tuberculin tests would be easier if the tuberculin test profiles in different communities were accurately known. We reviewed 468 Mantoux test reactions in patients coming to Hospital Universiti Sains Malaysia with suspected tuberculosis. Eighty six percent of patients with active tuberculosis had a positive Mantoux test. Forty two percent of the cases of positive Mantoux test did not have evidence of active tuberculosis. Most of these cases had evidence of past infection with tuberculosis. We conclude that Mantoux test is a sensitive but a non-specific test in the diagnosis of active tuberculosis.
Study site: outpatients, inpatients; Hospital Universiti Sains Malaysia, Kubang Kerian, Kelantan, Malaysia

Matched MeSH terms: Tuberculin Test*
Fulltext Giant reactions to tuberculin in lepromatous leprosy patients

Waters MFR, Stanford JL

Int. J. Lepr. Other Mycobact. Dis., 1985 Dec;53(4):546-53.
PMID: 4086918

A detailed account and definition is given of the previously inadequately described "giant reactions" to tuberculin occasionally seen in leprosy patients. The reaction is an accelerated and exaggerated response to species-specific antigens of Mycobacterium tuberculosis found in both PPD and New tuberculin. Our studies were performed in Malaysia, Uganda, Spain, and England. There was a significantly higher incidence of the phenomenon in Malaysia than in the other centers, but this may have been because there alone previously untreated lepromatous (LL and BL) patients were serially tested for up to three years after starting chemotherapy. Of the 28 patients exhibiting giant reactions, 27 occurred among lepromatous patients (24 LL and 3 BL), of which only 3 (1 LL and 2 BL) were untreated. One treated BL patient had developed, and one untreated BL patient was a family contact of, active tuberculosis. Giant reactions are uncommon in untreated and in very long-term treated LL patients, but may occur in up to a fifth of those receiving their first 1-3 years of chemotherapy. Although the mechanism is not yet understood, it appears to be a coincidence of delayed hypersensitivity of the tuberculin type and a less-delayed phenomenon of excessive local edema associated with local lymphadenopathy and short-lasting symptoms of malaise and pyrexia. It is suggested that the majority of giant reactions occur during a period of temporary lack of immune regulation associated with changing levels of antigenic load.

Matched MeSH terms: Tuberculin Test*
Fulltext A case of miliary adenocarcinoma of lung masquerading as miliary tuberculosis

Nik Azlan, N.M.

Medicine & Health, 2020;15(1):274-279.
MyJurnal

Adenokarsinoma paru-paru miliari adalah sangat jarang dan agresif. Adenokarsinoma paru-paru biasanya menunjukkan sifat ketulan pada peparu yang berkaitan dengan kerosakan paru-paru dan efusi pleura. Adenokarsinoma ini jarang jarang berpunca daripada tapak selain daripada tapak primer, tidak seperti kanser-kanser lain contohnya kanser tiroid, koriokarsinoma dan sarcoma. Kami membentangkan di sini kes seorang suri rumah berusia 50 tahun yang mengadu batuk-batuk, hilang selera makan dan sukar untuk bernafas selama 1 bulan. Perawat perubatan primer telah merawat beliau sebagai jangkitan kuman pada paru-paru. Disebabkan keadaan yang tidak pulih dan semakin melarat, beliau dibawa ke Jabatan Kecemasan. Oksigen beliau dikesan sebanyak 93% atas udara bilik. Berdasarkan sejarah pesakit dan penemuan X-ray paru-paru, rawatan untuk tuberculosis miliari telah di beri walaupun ujian Mantoux dan kahak negatif. Berikutan peningkatan tanda-tanda dan intubasi, bronkoskopi kemudian mendedahkan diagnosis adenokarsinoma paru-paru. Sebagai pelajaran, penampilan miliari radiografi tidak dikelirukan kepada tuberkulosis sahaja, kerana sebab-sebab berbahaya yang lain perlu disiasat. Bronkoskop dengan analisis histopatologi diperlukan, terutamanya jika Mantoux dan sputum adalah negatif.

Matched MeSH terms: Tuberculin Test
Fulltext Prevalence of Latent Tuberculosis Infection Among Non-US-Born Persons by Country of Birth-United States, 2012-2017

Collins JM, Stout JE, Ayers T, Hill AN, Katz DJ, Ho CS, et al.

Clin Infect Dis, 2021 11 02;73(9):e3468-e3475.
PMID: 33137172 DOI: 10.1093/cid/ciaa1662

BACKGROUND: Most tuberculosis (TB) disease in the United States (US) is attributed to reactivation of remotely acquired latent TB infection (LTBI) in non-US-born persons who were likely infected with Mycobacterium tuberculosis in their countries of birth. Information on LTBI prevalence by country of birth could help guide local providers and health departments to scale up the LTBI screening and preventive treatment needed to advance progress toward TB elimination.
METHODS: A total of 13 805 non-US-born persons at high risk of TB infection or progression to TB disease were screened for LTBI at 16 clinical sites located across the United States with a tuberculin skin test, QuantiFERON Gold In-Tube test, and T-SPOT.TB test. Bayesian latent class analysis was applied to test results to estimate LTBI prevalence and associated credible intervals (CrIs) for each country or world region of birth.
RESULTS: Among the study population, the estimated LTBI prevalence was 31% (95% CrI, 26%-35%). Country-of-birth-level LTBI prevalence estimates were highest for persons born in Haiti, Peru, Somalia, Ethiopia, Vietnam, and Bhutan, ranging from 42% to 55%. LTBI prevalence estimates were lowest for persons born in Colombia, Malaysia, and Thailand, ranging from 8% to 13%.
CONCLUSIONS: LTBI prevalence in persons born outside the US varies widely by country. These estimates can help target community outreach efforts to the highest-risk groups.

Matched MeSH terms: Tuberculin Test
Fulltext Two cases of retinal vasculitis in ocular tuberculosis involving different parts of the vascular system

Kok, Howe Sen, Tara, Mary Georg, Mae-Lynn, Catherine Bastion, Muhaya Hj Mohamad

Medicine & Health, 2006;1(1):91-93.
MyJurnal

Two case reports of retinal vasculitis in presumptive ocular tuberculosis are presented. Case 1 is a 26-year-old Malay woman who had phlebitis with choroidal lesions and case 2 is a 27 year old Malay woman who had occlusive arteritis. Both subjects had positive Mantoux tests with negative systemic screen. Both responded clinically to anti-tuberculous therapy within days of commencing therapy. There was however concurrent increase in vitritis which decreased following anti-inflammatory doses of oral corticosteroids. These two cases represent a rare mode of presentation of ocular tuberculosis for which a high index of suspicion is needed. Multidrug anti-tuberculous therapy should be combined with oral corticosteroids for effective treatment.

Matched MeSH terms: Tuberculin Test
Fulltext Close contact investigation of TB in high-burden, low- and middle-income countries

Pang YK

Malays Fam Physician, 2014;9(2):11-17.
PMID: 25893066 MyJurnal

Tuberculosis (TB) remains a very common disease in most of the low- and middle-income countries. As a result of high disease burden, TB control measures in these countries are usually concentrated on intensifying active disease case-finding and early treatment of infectious TB. On the contrary, in countries with low disease burden, the focus is on contact investigation to identify latently infected individuals and prophylactically treating them to prevent disease reactivation and transmission. These two strategies are deemed important for the effective TB control. Nonetheless, WHO cautions that targeted contact investigation and latent TB infection (LTBI) treatment should only be undertaken by countries that have the operational capacity/ resources and have achieved ≥ 85% treatment success rate of active TB. The screening of LTBI is further challenged by the lack of a “gold standard” test to identify and validate individuals with this condition. Tuberculin skin test (TST) is still the preferred investigation as it is cheap, widely available and validated in many trials. The sensitivity and specificity of the newer test—interferon gamma release assay (IGRA) for LTBI screening has been encouraging in low prevalence countries. However, the evidence supporting such usage remains uncertain in high burden settings. Diagnosis of LTBI should adhere to the strict criteria outlined in the guidelines to avoid misdiagnosing active TB as LTBI. The treatment of the latter involved only one or two anti-TB drugs. It has been demonstrated that in the properly conducted contact screening and LTBI treatment, chances of the emergence of multi-drug-resistant TB is very low.

Matched MeSH terms: Tuberculin Test
Fulltext Tuberculin reactivity and subsequent development of tuberculosis in a cohort of student nurses

Jeyakumar D

Med J Malaysia, 1999 Dec;54(4):492-5.
PMID: 11072468

This retrospective study documents a strong correlation between tuberculin reactivity and the subsequent development of active tuberculosis in student nurses. 12% of the 25 student nurses with tuberculin reactions above 20 mm developed tuberculosis over a period of 2 years, compared to only 0.3% of the 341 student nurses with reactions of 20 mm or less. The implications of these findings for preventive therapy are discussed.

Matched MeSH terms: Tuberculin Test*
Microbial biodiversity in the throats of pulmonary tuberculosis patients and tuberculin skin test (TST) positive and negative healthy individuals in Malaysia

Semail N, Suraiya S, Calero R, Mirabal M, Carrillo H, Ezzeddin Kamil MH, et al.

Tuberculosis (Edinb), 2020 09;124:101965.
PMID: 32692651 DOI: 10.1016/j.tube.2020.101965

The purpose of this study was to investigate the composition of throat microbiota in pulmonary tuberculosis patients (PTB) in comparison to healthy tuberculin skin test positive (TSTp) and negative (TSTn) individuals. Throat swabs samples were collected, and the microbiota was characterized. Richer operational taxonomic units (OTUs) were present in PTB group, compared to TSTp and TSTn. Regarding alpha diversity analysis there was a higher community diversity in TSTn compared to TSTp. Beta diversity analysis showed different species composition in TSTp compared to TSTn and PTB. There was higher presence of Firmicutes in PTB and TSTn compared to TSTp group at phylum level. At the genus level, Leuconostoc and Enterococcus were higher in TSTn compared to TSTp and Pediococcus, Chryseobacterium, Bifidobacterium, Butyrivibrio, and Bulleidia were higher in PTB compared to TSTn. Streptococcus was higher in TSTn compared to PTB and Lactobacillus in PTB compared to TSTp. At species level, Streptococcus sobrinus and Bulleidia moorei were higher in PTB compared to TSTn individuals, while Lactobacillus salivarius was higher in PTB compared to TSTp. The differences in the microbiome composition could influence the resistance/susceptibility to Mtb infection.

Matched MeSH terms: Tuberculin Test*
COMPARATIVE TUBERCULIN TESTING IN MALAYA

CHIN J

Tubercle, 1964 Jun;45:114-24.
PMID: 14161910
Matched MeSH terms: Tuberculin Test*
Histoplasmosis in Malaya

Ponnampalam JT

Br J Dis Chest, 1964 Apr;58:49-55.
PMID: 14152216

A survey of 227 patients from 5-60 years of age revealed the presence of positive histoplasmin skin tests in 10.5 per cent. and positive complement-fixation tests in 19-8 per cent. Sputum from 13 of the 37 patients who had a positive complement-fixation test were cultured for H. capsulatum but with negative results. Exposure to infection by the fungus is equally distributed among the different race and age groups. A careful and constant watch should be kept for histoplasmosis in all chest hospitals as a certain number of cases may be present. It tends to elude diagnosis unless specially sought as it resembles the clinical picture of tuberculosis or other granulomatous disease. It presents a field for further investigation and research in Malaya.

Matched MeSH terms: Tuberculin Test*
Fulltext Effects of repeated comparative intradermal tuberculin testing on test results: a longitudinal study in TB-free red deer

Che-Amat A, Risalde MÁ, González-Barrio D, Ortíz JA, Gortázar C

BMC Vet Res, 2016 Sep 05;12(1):184.
PMID: 27596591 DOI: 10.1186/s12917-016-0825-2

Diagnosing tuberculosis (TB) in farmed red deer (Cervus elaphus) is challenging and might require combining cellular and humoral diagnostic tests. Repeated skin-testing with mycobacterial purified protein derivatives (PPDs) might sensitize or desensitize the subjects to both kinds of diagnostic tools. We evaluated the effect of repeated (every 6 months) comparative tuberculin skin testing on skin test and ELISA responsiveness in farmed red deer hinds from a TB-free herd. Eighteen 8-month old hinds were inoculated with bovine and avian PPDs and the mitogen phytohaemagglutinin (PHA), as positive control and concurrently tested by ELISA for antibodies against avian (avian PPD, aPPD and protoplasmatic antigen 3, PPA3) and bovine antigens (bPPD and MPB70). Blood serum was also sampled three weeks after each skin testing round and tested for antibodies against aPPD and bPPD, in order to detect eventual antibody level boosts. Testing took place every six months from winter 2012 until winter 2015.

Matched MeSH terms: Tuberculin Test/veterinary*
Effect of delay in diagnosis on the rate of tuberculosis among close contacts of tuberculosis patients

Aldhubhani AH, lzham MI, Pazilah I, Anaam MS

East Mediterr Health J, 2013 Oct;19(10):837-42.
PMID: 24313146

Few studies have explored diagnosis delay by tuberculosis (TB) patients and its effects on the rate of infection among their close contacts. A cross-sectional study of the close contacts of 505 newly diagnosed TB patients was conducted in a TB referral centre in Sana'a, Yemen from 2008 to 2010. Only the close contacts of 89 new TB patients agreed to participate and completed the tuberculin skin test (TST). Of the 239 close contacts investigated, 133 (55.6%) had a positive TST result. Index patients were classified as long or short diagnosis delay (above or below the median). There was no significant difference in the number of infected close contacts between long and short delay index patients (Mann-Whitney U-test). A larger sample size, with more incentives for patients to participate and the use of other investigative tools could provide a better picture of the pattern of TB transmission among all contacts.

Matched MeSH terms: Tuberculin Test
Fulltext Case series of ocular tuberculosis; the great masquerader

Loh, Ui Lyn, Nadras, Indira, Yeong, Choo Mee, Nadarajah, Gaayathri, Fazilawati Qamarruddin, Shelina Oli Mohamed, et al.

Journal of Biomedical and Clinical Sciences, 2018;3(2):1-5.
MyJurnal

Tuberculosis, an ancient disease, still thrives today as the leading infection caused by Mycobacterium tuberculosis. Diagnosis of ocular tuberculosis poses a great challenge due to the varied clinical presentations. We report 3 cases of primary ocular tuberculosis with varied presentations: conjunctival abscess, sclera-uveitis and occlusive vasculitis. There were no symptoms suggestive of pulmonary tuberculosis in all cases. All patients presented with acute, unilateral painful red eye. The first case had good visual acuity (VA) OD (6/9) with a swollen upper lid, localized perilimbal-hemorrhagic conjunctival swelling superiorly, keratic precipitates and mild anterior chamber reaction. The posterior segment was normal. The second case had a VA of 6/60 OD. There was presence of conjunctival injection, keratic precipitates, posterior synechiae and anterior chamber reaction of 1+. A few days later, there was a progression to vitritis OU and hyperemic optic disc OD with choroidal folds, cystoid macula edema and a positive T sign on B scan ultrasonography. The third case had VA of 6/6 OU, AC reaction of 2+ OD. There was multiple peripheral choroiditis with peripheral vasculitis seen in the posterior segment OU. Fundus fluorescein angiography (FFA) showed peripheral periphlebitis in all 4 quadrants OU. All 3 cases had positive Tuberculin Skin Test (Mantoux test) results which were more than 20mm. Anti-tuberculous treatment was promptly started and all patients showed significant clinical improvement. This case series highlights the diverse clinical presentations of ocular tuberculosis. A high clinical index of suspicion led to prompt initiation of anti-tuberculous therapy which resulted in good clinical outcomes for all cases.

Matched MeSH terms: Tuberculin Test
Mycobacterium tuberculosis complex in wildlife: Review of current applications of antemortem and postmortem diagnosis

Lekko YM, Ooi PT, Omar S, Mazlan M, Ramanoon SZ, Jasni S, et al.

Vet World, 2020 Sep;13(9):1822-1836.
PMID: 33132593 DOI: 10.14202/vetworld.2020.1822-1836

Tuberculosis (TB) is a chronic inflammatory and zoonotic disease caused by Mycobacterium tuberculosis complex (MTBC) members, which affects various domestic animals, wildlife, and humans. Some wild animals serve as reservoir hosts in the transmission and epidemiology of the disease. Therefore, the monitoring and surveillance of both wild and domestic hosts are critical for prevention and control strategies. For TB diagnosis, the single intradermal tuberculin test or the single comparative intradermal tuberculin test, and the gamma-interferon test, which is regarded as an ancillary test, are used. Postmortem examination can identify granulomatous lesions compatible with a diagnosis of TB. In contrast, smears of the lesions can be stained for acid-fast bacilli, and samples of the affected organs can be subjected to histopathological analyses. Culture is the gold standard test for isolating mycobacterial bacilli because it has high sensitivity and specificity compared with other methods. Serology for antibody detection allows the testing of many samples simply, rapidly, and inexpensively, and the protocol can be standardized in different laboratories. Molecular biological analyses are also applicable to trace the epidemiology of the disease. In conclusion, reviewing the various techniques used in MTBC diagnosis can help establish guidelines for researchers when choosing a particular diagnostic method depending on the situation at hand, be it disease outbreaks in wildlife or for epidemiological studies. This is because a good understanding of various diagnostic techniques will aid in monitoring and managing emerging pandemic threats of infectious diseases from wildlife and also preventing the potential spread of zoonotic TB to livestock and humans. This review aimed to provide up-to-date information on different techniques used for diagnosing TB at the interfaces between wildlife, livestock, and humans.

Matched MeSH terms: Tuberculin Test
Hiding in plain sight: Diagnosing pleural tuberculosis using lung ultrasound

Ahmed WAW, Rahim MJC, Mohammad N, Fauzi MH, Wahab SFA

Ultrasound, 2021 May;29(2):123-127.
PMID: 33995559 DOI: 10.1177/1742271X20959761

Introduction: Diagnosing pleural tuberculosis can be difficult in patients with ambiguous presentation, especially in resource-limited health centres. Thus, lung ultrasound had been studied as a novel method in helping clinicians to diagnose this condition.
Case presentation: A 48-year-old woman presented with worsening dyspnoea and orthopnoea for one week. She had also experienced weight loss, minimal dry cough and right-sided pleuritic chest pain for several weeks. A chest radiograph showed a right lower zone pleural effusion with no apparent lung consolidation. Lung ultrasound showed a right apical consolidation and right lower zone septated pleural effusion. Pleural fluid investigations showed exudative features of mixed lymphocytic, mesothelial and neutrophilic cellular components. Tuberculin skin test was strongly positive. She was subsequently treated for pleural tuberculosis. One month after treatment, her symptoms had improved considerably.
Discussion: Lung ultrasound has been found to be more effective than chest radiograph in detecting consolidation and diagnosing pneumonia. The portability and efficacy of today's ultrasound machines, including the handheld types, show that lung ultrasound is a practical, reliable and valuable diagnostic tool in managing pulmonary conditions including tuberculosis, provided that the operators are adequately trained.
Conclusion: Lung ultrasound in tuberculosis is the next frontier for clinicians and researchers.

Matched MeSH terms: Tuberculin Test
Fulltext Tuberculosis – HIV coinfection: the relationship between manifestation of tuberculosis and the degree of immunosuppression (CD4 counts)

Ong, C.K., Tan, W.C., Leong, K.N., Muttalif, A.R.

International e-Journal of Science, Medicine & Education, 2008;2(2):17-22.
MyJurnal

The incidence of tuberculosis (TB) is currently increasing. HIV induced immuno-suppression modifies the clinical presentation of TB. Our aim is to determine the differences in clinical presentation of HIV-TB co-infection based on their CD4 counts. This retrospective study looked at cases of adult active TB and HIV-1 co-infection treated in Penang Hospital from January 2004 to December 2005. Of the 820 patients treated for active TB, HIV-1 seropositivity rate was 12.6% (103 patients). Majority of HIV-1 co-infected patients presented with prolonged insidious and non-specific symptoms like weight loss, fever and night sweats. The clinical presentation of TB depended on the stage of HIV-1 infection and associated degree of immunodeficiency. Compared to the less immuno-compromised HIV-1 and TB co-infected population (CD4 > 200/mm3 ), patients with CD4 counts ≤ 200 are more likely to have atypical chest radiographs (P = 0.009). During active TB, the Mantoux test was positive in 12 (14.5%) HIV-1 infected patients with a CD4 counts ≤ 200/mm3 and in 16 (80%) of those with CD4 counts > 200/mm3 (P = 0.0001). In our series, the AFB smear / AFB culture and type of TB did not show obvious correlation with CD4 counts. Therefore to diagnose TB in severely immuno-compromised HIV patients, we need to have a high index of suspicion.

Matched MeSH terms: Tuberculin Test

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