Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UNIPROT:P06126 (CD1a)
 2,221 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Langerhans cell histiocytosis (LCH) is a rare malignancy most commonly characterized by histiocytic infiltration of bone. LCH lesions in the skull place the adjacent central nervous system (CNS) at risk for involvement, which can manifest as central diabetes insipidus (CDI) when there is infiltration of the hypothalamic-pituitary axis. We present a case of a 39-year-old female who presented with polyuria and polydipsia for 1 year and left-sided hearing loss, gait instability, and nystagmus for 5 days. She was found on laboratory evaluation to have CDI and underwent left cortical mastoidectomy for a destructive peripherally enhancing mastoid lesion seen on MRI brain. Pathology revealed CD1a and S100+ LCH and the patient was subsequently discharged to begin outpatient chemotherapy with vinblastine and prednisone. The patient's CDI was diagnostic of CNS involvement, making her LCH multisystem through the infiltration of both the skull and hypothalamic-pituitary structures. As CDI can be seen in up to 25% of single-system LDH, and up to 50% of multisystem cases, radiologic studies to evaluate for osteolytic skull lesions must be considered as part of the evaluation for LCH when CDI has been diagnosed.
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PMID:A case of multisystem Langerhans cell histiocytosis presenting as central diabetes insipidus. 3200 62

Langerhans cell histiocytosis (LCH) is a rare systemic and heterogeneous disease secondary to proliferation and diffuse infiltration of immature CD1a-positive dendritic cells, also known as Langerhans cells. LCH affects predominantly paediatric patients and is rarely diagnosed in adulthood. Despite its worldwide prevalence, most reported cases are found in the Japanese population. There is no consensus regarding treatment strategy due to the low incidence of this disease and the diversity of symptoms that appear. An integrative literature review was conducted based on the PubMed database using MeSH terms 'Langerhans', 'histiocytosis' and 'adult'. The present report describes a case of a successfully treated LCH-induced central diabetes insipidus (uncommon presentation in adult patients) as well as an updated review of current evidence published on this matter.
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PMID:Adult pulmonary Langerhans cell histiocytosis revealed by central diabetes insipidus: A case report and literature review. 3276 77


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