A challenging diagnosis of Langerhans’ cell histiocytosis with hypothalamic-pituitary and mandibular involvement: case report and literature review

Author:

Ahmad Heya12,Ahmad Yara1,Ktyman Hanaa1,Alali Mousa13,Saifo Maher13

Affiliation:

1. Faculty of Medicine

2. Stemosis for Scientific Research, Damascus, Syrian Arab Republic

3. Department of Oncology, Albairouni University Hospital

Abstract

Background: Langerhans cell histiocytosis (LCH) is a rare bone marrow derived neoplasm that mainly affects children. It is a multiorgan disorder and hypothalamic-pituitary involvement is uncommon. LCH reveals a wide spectrum of indications; thus, the diagnosis and treatment are usually challenging. Case Report: A 22-year-old male presented with polydipsia, polyuria with nonspecific radiological findings, later on, developed a mandibular lesion and a biopsy was conducted which led to LCH diagnosis. After many improper treatments due to unclear diagnosis, the patient was finally placed on chemotherapy and is now under surveillance. Discussion: LCH is a rare disease with diverse clinical manifestations affecting various organs. Associated mutations, such as BRAF V600E, contribute to its complexity. In adults, initial symptoms include pain, weight loss, and fever, with potential pituitary involvement leading to Arginine vasopressin (AVP) deficiency. Commonly affected organs include bone, skin, and the pituitary gland. The disease can be categorized into single-system and multisystem. Pathological diagnosis involves electron microscopy or immunohistochemical staining. Treatment options vary; the presented case utilized Desmopressin acetate and prednisolone before transitioning to cyclophosphamide for multisystemic LCH. Conclusion: AVP deficiency can suggest hypothalamic-pituitary LCH, and a biopsy, if possible, is recommended to confirm the diagnosis.

Publisher

Ovid Technologies (Wolters Kluwer Health)

Reference20 articles.

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