Endocrinol Metab > Volume 26(1); 2011 > Article
Endocrinology and Metabolism 2011;26(1):72-77.
DOI: https://doi.org/10.3803/EnM.2011.26.1.72    Published online March 1, 2011.
A Case of Pituitary Abscess that was Difficult to Diagnose due to Repeated Symptomatic Responses to Every Corticosteroid Administration.
Jin Sun Jang, Jae Seung Yun, Jung Ah Shin, Min Hee Kim, Dong Jun Lim, Jae Hyung Cho, Kun Ho Yoon, Moo Il Kang, Bong Yun Cha, Ho Young Son, Yong Kil Hong
1Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea. ldj6026@catholic.ac.kr
2Department of Neurosurgery, College of Medicine, The Catholic University of Korea, Seoul, Korea.
Pituitary abscess is a rare pathology, but it is a potentially life-threatening condition. Therefore, timely intervention, including antibiotics and an operation, can prevent the morbidity and mortality in such cases. A 31-year-old woman, who was 16 months after her second delivery, presented with intermittent headache for 3 months. Amenorrhea, polyuria and polydipsia were noticed and the endocrinological hormone studies were compatible with panhypopituitarism and diabetes insipidus. Pituitary MRI demonstrated a 2.3 cm sized cystic mass with an upper small nodular lesion. Her symptoms such as headache and fever were repeatedly improved whenever corticosteroid was administered, which led us to suspect the diagnosis of an inflammatory condition like lymphocytic hypophysitis. During the hormone replacement therapy, her cystic pituitary mass had grown and her symptoms progressively worsened for another two months. The patient underwent trans-sphenoidal exploration and she turned out to have a pituitary abscess. At the 3-month follow-up, amenorrhea was noticed and her residual function of the pituitary was tested by a combined pituitary stimulation test. The results were compatible with panhypopituitarism. She received levothyroxine 100 microg, prednisolone 5 mg and desmopressin spray and she is being observed at the out-patient clinic. The authors experienced a patient with primary pituitary abscess that was confirmed pathologically and we report on its clinical course with a literature review.
Key Words: Corticosteroids, Panhypopituitarism, Pituitary abscess
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