ArticleCureus2025
Lichen Scrofulosorum Without Mantoux Positivity in a 72-Year-Old Male: A Clinical Paradox.
Article in Cureus, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Lichen scrofulosorum (LS) represents a cutaneous hypersensitivity reaction to Mycobacterium tuberculosis (MTB) in individuals with preserved cell-mediated immunity. It typically presents as asymptomatic, monomorphic papules, predominantly distributed over the trunk, and demonstrates a prompt response to anti-tubercular pharmacotherapy. While the Mantoux test is usually strongly positive, this case highlights the atypical occurrence of Mantoux negativity in a 72-year-old patient, an age group in which LS is rarely encountered. This case emphasizes the need for a comprehensive diagnostic workup, including histopathological analysis and other relevant investigations, when the Mantoux test yields an unexpected result. A keen clinical eye and strong diagnostic suspicion are essential to identifying LS in the context of such atypical features.
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