Skull Base Langerhans Cell Histiocytosis with Diabetes Insipidus and Panhypopituitarism- A Rare Clinical Entity
Journal Title: Bengal Journal of Otolaryngology and Head Neck Surgery - Year 2017, Vol 25, Issue 3
Abstract
IntroductionA case of Langerhans cell histiocytosis (LGH) involving extensive area of base of skull resulting in panhypopituitarism and diabetes insipidus (DI) is reported.Case ReportA 16 year old male presented with diminished vision, bilateral ptosis, left sided lateral rectus palsy, hypoesthesia of trigeminal nerve with nasal obstruction for last 5 months. There was polypoidal, bleeding mass in both nasal cavities. Contrast enhanced CT Scan showed a large homogenous mass arising from sphenoid extending into cavernous sinus and the suprasellar region. Endoscopic nasal biopsy revealed abundant Langerhans cell histiocytes, macrophages, neutrophils. Chemotherapy and radiotherapy were administered. But within 2 months the patient presented with Cushingoid features and further diminution of vision. Detailed work-up revealed Hypogonadotrophic hypogonadism and diabetes insipidus. Debulking of the tumour was done and left optic nerve decompression was done. PET scan was performed and showed large, well defined mass with increased FDG uptake in the skull base with suprasellar extension, reaching upto petrous temporal bone and causing bony erosion of ethmoid and sphenoid sinuses. Patient was then advised adjuvant chemotherapy. DiscussionLangerhans cell histiocytosis is a rare group of disorders characterised by abnormal clonal proliferation and accumulation of abnormal dendritic cells. Involvement of base of skull is even rarer. Though diabetes insipidus has been reported in Langerhans cell histiocytosis involving pituitary, panhypopituitarism is rare. These combinations of extensive Langerhans cell histiocytosis of base skull with clinical features of Diabetes insipidus and panhypopituitarism makes this case a rare clinical entity.
Authors and Affiliations
Anirban Ghosh, Mithun Chaudhury, Abhishek Mukherjee
Keywords
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