Related Experiment Video For Fine-needle aspiration
Updated: Oct 8, 2025

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Rat Mammary Epithelial Cell Transplantation into the Interscapular White Fat Pad
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Mammary analogue secretory carcinoma: A challenging case arising in a young man with radiation exposure
Priyadharshini Sivasubramaniam1, Christin A Tiegs-Heiden2, Katherine B Geiersbach1
1Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA.
Annals of Diagnostic Pathology
|December 25, 2021
Abstract:
Mammary Analogue Secretory Carcinoma (MASC) is a recently described salivary gland tumor frequently sampled via fine-needle aspiration. The cytologic features of MASC are not entirely distinctive and can simulate acinic cell carcinoma, but the tumor harbors an ETV6 gene rearrangement resulting in an ETV6-NTRK3 fusion gene. We present a case of MASC arising in a 31 year old man with a history of multiple radio-embolization procedures.

