Langerhans cell histiocytosis (LCH) is a rare clonal neoplasm derived from Langerhans-type cells that express CD 1a, langerin, and S 100 on immunohistochemistry. LCH usually involves multiple sites and multiple systems or multiple sites in a single system. Solitary LCH commonly involves the bones (especially the skull), lymph nodes, skin, and lungs. Solitary LCH of the thyroid is an extremely rare disease with a few reported cases in the indexed literature and poses a diagnostic dilemma for both the clinician and pathologist. Histopathology along with ancillary tests forms the gold standard for diagnosis. Surgical resection alone offers a good prognosis once multisystemic involvement has been ruled out. Herein is reported one such case of solitary LCH in a young male patient who remains disease-free after 2 years of follow-up.

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http://dx.doi.org/10.4103/jcrt.jcrt_1376_22DOI Listing

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  • The findings suggest that chemotherapy may help restore the body's thirst mechanisms in patients with AVD linked to HP-LCH, possibly by alleviating pressure on the hypothalamus.
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