Özet:

Objective: Langerhans cell histiocytosis is a benign proliferative disease of langerhans type histiocytes. This type is the localized form of histiocytosis X group diseases. Ninety percent of patients are between 5 and 15 years of age. Case Presentation: A 29-year-old male patient consulted to neurosurgery clinic with symptoms of headache and swelling under skin of the right side of his head. The mass, which was detected in the right temporoparietal bone was excised totaly The patient, whose histopathology was reported as histiocytosis X was referred to medical oncology clinic. Conclussion: Langerhans-cell histiocytosis should be considered in the differential diagnosis of young patients, whose rontgenograms demonstrated osteolytic bone lessions, and advanced examinations should be performed.. Usually, surgical excision suffices. Appropriate therapy is important factor for the patient’s prognosis. Therefore localisation of the lesion, and identification of its subtype is very important for accurate planning of therapy approach.

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