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  • Title: [Collision sellar lesions: pituitary adenoma and Rathke cleft cyst].
    Author: Padilla Lichtenberger F, Glerean M, Paissan A, Ajler P.
    Journal: Medicina (B Aires); 2021; 81(6):1069-1072. PubMed ID: 34875610.
    Abstract:
    Rathke's cleft cyst (RCC) are a slow-growing, benign, cystic lesions that arises from the remnants of the primitive ectoderm and Rathke's pouch. They present a common origin with pituitary adenomas (PA), however, the concomitant presentation of a PA and a RCC rarely occur. We present a case of a 41-year-old female with Cushing's disease. Magnetic resonance imaging (MRI) showed two synchronic lesions in the sellar region. An endoscopic transnasal approach was performed, with complete excision of both. The histological studies revealed an ACTH secreting PA and a RCC. The patient presented clinical and endocrinological remission six months after surgery. With the presence of cystic lesion at the sellar region, and the concomitant finding of a pituitary adenoma, RCC should be considered. El quiste de la bolsa de Rathke (QBR) es una entidad benigna de crecimiento lento que proviene del remanente del ectodermo primitivo. Presenta un origen común con los adenomas hipofisarios (AH), sin embargo, la presentación sincrónica de un AH y un QBR es infrecuente. Presentamos el caso de una mujer de 41 años con enfermedad de Cushing. Se realizó resonancia magnética con el hallazgo de dos lesiones en región selar. Se hizo un abordaje transnasal endoscópico, con exéresis completa de ambas. El informe de anatomía patológica reveló un AH corticotropo y un QBR. Tuvo una remisión clínica analítica endocrinológica a los seis meses postquirúrgicos. Ante el hallazgo de una imagen quística a nivel selar concomitante con un adenoma hipofisario, debe ser considerada la posibilidad diagnóstica de un QBR.
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