Cure8 research brief
Why This Matters
LCH can present like perianal Crohn's disease and may be missed if biopsies and molecular testing are not performed. Correct diagnosis changes treatment and prompts systemic staging for other malignancies.
Who Should Pay Attention
Clinicians treating refractory perianal/colonic disease; adult IBD patients with atypical or non-healing perianal lesions; gastroenterologists and colorectal surgeons.
Study Snapshot
What To Know
This case report describes an woman in her early 80s with chronic anal fissures concerning for perianal Crohn's disease; colonoscopy and biopsies showed LCH confirmed by BRAF V600E mutation. Systemic staging found unrelated breast and kidney malignancies. The patient received cladribine chemotherapy with resolution of LCH lesions and symptoms.
Histology and molecular profiling were key to diagnosis and to guide therapy.
Keep In Mind
This content is an abstract-level case report from BMJ Case Reports. It describes one older adult patient; results are not broadly generalizable. The diagnosis relied on histology and detection of BRAF V600E. Treatment choice and outcomes reflect this single patient.
Source Details
Review the original publication for the complete reporting, methods, and context.
Conflict statement: Competing interests: None declared.
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