Why the study?
Skin tuberculosis is uncommon and can mimic other systemic diseases, leading to clinical uncertainty.
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This case highlights the diagnostic challenge of cutaneous tuberculosis mimicking other systemic diseases and the utility of CT-guided lung biopsy for confirmation.
Despite the reduction of tuberculosis globally, new cases of this disease continue to be reported in Iran, although skin tuberculosis is uncommon and constitutes a small portion of new cases.The presentation of skin ulcers caused by cutaneous tuberculosis can mimic other systemic diseases, leading to clinical uncertainty.Cutaneous tuberculosis is classified into two types: the true type, characterized by the presence of bacilli in the affected skin, and the tuberculoid type, resulting from an allergic reaction.This case report highlights a situation where a skin nodule, initially identified as cutaneous tuberculosis, was later confirmed through a lung biopsy guided by CT scan.It emphasizes the significance of medical history, physical examination, and considering the potential risk of disease spread during needle sampling procedures guided by CT scans.
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Asghari et al. (2024) studied this question.
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