Abstract
Collision tumors of the sella turcica are rare and consist mainly of more than one type of pituitary adenoma, usually a corticotropin- and a prolactin-producing adenoma. The association of a craniopharyngioma and a pituitary adenoma is rare. Herein, we report the first case of an association between craniopharyngioma and silent pituitary adenoma subtype 3. It involved a 12-year-old boy who underwent a frontal craniotomy with surgical removal of a calcified sellar tumor. Histology revealed an adamantinomatous craniopharyngioma; however, by electron microscopy, there was conclusive evidence of adenoma cells showing the ultrastructural features of silent pituitary adenoma subtype 3. Endocrine and neuroimaging as well as detailed immunohistochemical and ultrastructural studies were undertaken. The literature is also reviewed.
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Acknowledgement
Authors are grateful to the Jarislowsky Foundation and Lloyd Carr-Harris Foundation for the support, and both Mr. Fabio Rotondo, Saint Michael’s Hospital, for technical assistance and to Mrs. Denise Chase, Mayo Clinic, for her expert secretarial service.
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Moshkin, O., Scheithauer, B.W., Syro, L.V. et al. Collision Tumors of the Sella: Craniopharyngioma and Silent Pituitary Adenoma Subtype 3: Case Report. Endocr Pathol 20, 50–55 (2009). https://doi.org/10.1007/s12022-009-9065-3
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DOI: https://doi.org/10.1007/s12022-009-9065-3