Background: Mycobacterium tuberculosis lipid antigens take part in pathogenicity of the bacterium but the response of monocytes/macrophages to these antigens in tubercu-losis is not well known. Objective: The aim of current investigation was to study the M. tuberculosis lipid antigens in tuberculosis pathogenesis. Methods: In the present study M. tuberculosis lipid antigens were extracted. Mono...

the musculoskeletal extrapulmonary tuberculosis is uncommon, the upper extremity tuberculosis is not common and the mycobacterial involvement of skin of hands and synovial sheath of tendons is rare. this prospective observational study was undertaken between august  2014 and december 2015 in a tertiary referral hospital. patients attending with suspected primary tuberculosis of soft tissue of t...

conclusions the detection of mycobacterium tuberculosis is always an important differential diagnosis for skin and soft tissue involvement in endemic areas. the cold abscess is an uncommon form of cutaneous tuberculosis that can be single or multiple and with or without fistula. case presentation the case was a 42-year-old female, a known case of rheumatoid arthritis that was receiving predniso...

Skin manifestations of tuberculous infection (Mycobacterium tuberculosis) are represented by miliary tuberculosis of the skin, tuberculous chancre, scrofuloderma, tuberculosis verrucosa cutis, periorificial tuberculosis, and lupus vulgaris (LV). Among this group, LV is the most common skin condition, diagnosed in 10% of tuberculotic patients. The authors report herein a case of squamous cell ca...

Lichen scrofulosorum (LS) is a rare tuberculid seen in children and young adults with underlying tuberculosis, which may be difficult to diagnose otherwise. Present communication describes two cases presenting with characteristic skin lesions of LS and later diagnosed as intracranial tuberculosis and pulmonary tuberculosis respectively. In both the cases the skin lesions served as an important ...

Background: Sarcoidosis is a granulomatous multisystem disease of unknown etiology. It has recently been tired to detect Mycobacteria genome in biopsy specimens of patients with sarcoidosis by Polymorphism chain reaction method. Objective: To detect and identify Mycobacteria species in cutaneous lesions of the patients with sarcoidosis by PCR-RFLP. Patients and methods: 20 patients with clinica...

background: prompt diagnosis and treatment of latent tuberculosis (tb) infection (ltbi) are needed to control tb. the aim of the study was to compare the performance of quanti feron-tb test (qft) with conventional tst for the diagnosis of ltbi. methods: in this analytical - comparison study, we enrolled 87 nurses working in teaching hospitals in ahvaz. all study subjects were tested by tst.  ts...