2026-06-01T07:28:13Zhttps://docta.ucm.es/rest/oai/request

oai:docta.ucm.es:20.500.14352/1190862025-04-01T23:51:03Zcom_20.500.14352_14col_20.500.14352_15

Striated duct adenoma: The cytological description of a rare entity De La Torre Serrano, Montserrat Alarcón García, Lorenzo Colino Gallardo, Ana María Vega González, Jesús Bergillos Giménez, María Reyes Hernández Martínes, Desiré García Egido, Alejandro Iglesias Moreno, María Cruz Pérez Alonso, Pablo Plaza Hernández, José Carlos Fernández Aceñero, María Jesús 616-091.8 cytology FNAC myoepithelial pseudoinclusions salivary gland striated duct adenoma Ciencias Biomédicas 32 Ciencias Médicas Introduction Striated duct adenoma is a benign salivary gland tumour recently recognized by the World Health Organization. To date, no report has described the cytological features of this entity. Materials and Methods We report the case of a 60-year-old woman with a tumour in the right parotid gland with a diameter greater than 2.4 cm confirmed by imaging tests. Results Two fine-needle aspiration cytologies (FNAC) were performed with inconclusive results, reporting epithelioid and spindle-shaped cellularity, with little stroma, and nuclei with abundant pseudoinclusions. Myoepithelioma and Schwannoma were proposed as differential diagnoses. An immunocytochemical panel was performed, showing positivity for S-100, SOX10, CK7 and vimentin, and negativity for both myoepithelial (p63 and calponin) and thyroid markers. In the absence of a conclusive diagnosis, the patient accepted surgery. The biopsy results confirmed diagnosis of striated duct adenoma, with immunohistochemical features superimposable to cytology. Conclusion Little information is available in the literature, both on biopsy and, more strikingly, on cytology of this neoplasm. The aim of this work is to provide cytological characteristics that allow diagnosis of this entity with FNAC and thus avoid unnecessary surgeries. Depto. de Medicina Legal, Psiquiatría y Patología Fac. de Medicina TRUE pub 2025-04-01T07:27:05Z 2025-04-01T07:27:05Z 2024-08-21 journal article VoR https://hdl.handle.net/20.500.14352/119086 0956-5507 10.1111/cyt.13441 1365-2303 eng De La Torre Serrano M, Alarcón García L, Colino Gallardo AM, et al. Striated duct adenoma: The cytological description of a rare entity. Cytopathology. 2025; 36: 56-62. doi:10.1111/cyt.13441 restricted access application/pdf Wiley