Article

Langerhans Cell-Rich Fibroinflammatory Pulmonary Lesion Presenting as a Pulmonary Mass: A Case Report

2026-08-13

Abstract excerpt

<title>Abstract</title> <p> <bold>Background</bold> Pulmonary Langerhans cell histiocytosis (PLCH) is a rare clonal myeloid neoplasm driven by MAPK pathway mutations, occurring predominantly in young adult smokers. However, Langerhans cells (LC) may also accumulate in reactive, non-clonal settings, creating significant diagnostic uncertainty. We describe an unusual case of a reactive LC-rich fibroinflammatory p...

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Literature Corpus work: 4ccf292a-34e4-5cd9-aa08-2386347a6a28
DOI: 10.21203/rs.3.rs-10554736/v1

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