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Case Report
8 (
1
); 59-61
doi:
10.1055/s-0041-1734212

Deep Vein Thrombosis in a Patient of Extrapulmonary Tuberculosis

Department of Tropical Medicine, School of Tropical Medicine, Kolkata, West Bengal, India
Address for correspondence, Kumkum Sarkar, Department of Tropical Medicine, School of Tropical Medicine, 108, CR Avenue, Kolkata 700073, West Bengal, India (e-mail: dr.kumkum.sarkar@gmail.com).
Licence
This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)
Disclaimer:
This article was originally published by Thieme Medical and Scientific Publishers Pvt. Ltd. and was migrated to Scientific Scholar after the change of Publisher.

Abstract

Among the various complications reported to be caused by tuberculosis (TB), thrombogenic potential is a rare entity. Here, we report a case of colonic tuberculosis in a 30-year-old male who developed left upper limb deep vein thrombosis (DVT). Ruling out other possible causes of DVT and improvement of the affected limb with antitubercular drugs led to conclusion that DVT was most probably due to TB.

Keywords

colonic tuberculosis
complication
deep vein thrombosis

Introduction

India is one of the countries with highest tuberculosis (TB) burden of the world. It is caused by Mycobacterium tuberculosis, an acid-fast bacilli with ability to affect almost all organs of human body. The complications of TB are bronchiectasis, calcification, fibrosis, end-stage lung disease, pleural effusion, pleural thickening, meningitis, Addison's crisis, disseminated intravascular coagulation and many more. The prevalence of deep vein thrombosis (DVT) in pulmonary TB patients is estimated to be 3 to 4%.1 Studies report a correlation between TB and DVT.2 As treatment for TB is widely available, clinicians must be well aware to think of TB as a cause for DVT so that it is not missed.

Case Report

A 30-year-old male was admitted with complain of pain in abdomen along with rectal bleeding for last 6 months. This was associated with significant loss of weight, anorexia, nausea, and low grade, intermittent fever. There was no other complaint. There was no H/O addiction or any high-risk sexual behavior. On clinical examination, he had pallor, abdomen was tender with no significant organomegaly. He underwent colonoscopy which revealed presence of colonic stricture and biopsy done from the stricture which cryptitis with ulceration, epithelioid cell granuloma, and Langhans giant cells with impression of granulomatous lesion favoring Koch's etiology (►Fig. 1). His routine blood tests revealed severe anemia (Hb 5.6 g%), leukocytosis (TLC–11,800/mm3, N70,L28), hypoalbuminemia with raised ALP levels, hyponatremia, and normal kidney function tests. His sputum CBNAAT was negative. There was no other focus of infection. Accordingly based on the findings, he was diagnosed as colonic TB and ATD (antitubercular drugs) was initiated along with tablet prednisolone.

Fig. 1
Colonoscopy images showing non-negotiable concentric stricture in proximal portion of transverse colon, mucosa showing erythema, ulceration, and cobblestoning.

Subsequently during his stay in our hospital, he developed swelling with pain and discoloration of his left upper limb–clinically diagnosed as left upper limb DVT. His USG Color Doppler showed DVT affecting left cephalic, basilic, axillary, and distal part of subclavian veins with gross subcutaneous tissue edema. So, tab prednisolone was stopped and he was put on acitrom therapy. His CT angiogram was also done confirming diagnosis of DVT (►Fig. 2). But subsequently, he developed malena and acitrom was kept on hold. His serology was nonreactive for HIV, hepatitis B and C. His anti-nuclear antibody (ANA) with ANA profile, anti-neutrophil cytoplasmic antibody (ANCA) were negative and C3,C4 level were normal. During the course of treatment with only ATD, his DVT condition started improving and there was gradual resolution of his left upper limb swelling.

Fig. 2
CT angiogram left upper limb vessels. CT, computed tomography.

Discussion

TB can manifest as local limited to single organ involvement as well as disseminated TB.3,4 Its complications depend on virulence of the organism as well as host's immune status and its responsiveness. DVT is a hematological complication of TB which has rarely been reported.5,6 DVT is caused by endothelial dysfunction, venous stasis, or a hypercoagulable state.7,8 Activation of mononuclear cells in TB leads to increased liberation of cytokines which have proinflammatory effect and causes endothelial dysfunction rendering it thrombogenic. TB causes increase in fibrinogen levels while decreasing levels of antithrombin III, and protein C. The bacillus may also cause direct endothelial injury. All these factors may contribute to the development of DVT in TB.1,2,9,10,11

In our patient, no other predisposing factor of DVT could be found other than TB. There was no history of any trauma, surgery, prolonged immobilization, neither there was any history of recurrent thrombosis, any bleeding disorder, or valvular heart disease. His ANA with profile, ANCA were negative with normal C3,C4. Moreover, responsiveness to ATD points toward TB as the etiology of unprovoked DVT. Mortality is higher in cases which are diagnosed late due to increased incidence of complications as well as advancement of the disease.12 This case report highlights the importance of consideration of TB in cases of DVT when cause remains uncertain, particularly in a country with high TB burden.

Conflict of Interest

None declared.

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