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Coexistent Pituitary Adenoma with Rathke's Cleft Cyst: A Case Series
Varsha S Jagtap1, Anurag R Lila2, Vijaya Sarathi1
1Senior Resident.
Objective:
Co existent pituitary adenoma and Rathke's cleft cyst (RCC) is a rare entity. Purpose of this study is to describe the clinical presentation, imaging findings, and management of patients with this combination.
Methods:
Retrospective review of records from a single tertiary care center for a period of three years [2009-2012].
Results:
Out of the total 284 pituitary adenoma patients in the study period, there were four patients one each of Cushing's disease, acromegaly, prolactinoma and non-secretory pituitary adenoma with coexisting RCC in all. Three of these were diagnosed to have coexisting RCC in preoperative MRI. All of them underwent transphenoidal excision of the lesions. Histopathology confirmed the collision sellar lesions in all four.
Conclusions:
It is difficult to diagnose coexisting RCC preoperatively due to variable size, position and signal intensity. However when a nonenhancing cyst is incidentally detected by MRI in a patient with pituitary adenoma, the possibility of a coexisting RCC should be considered.