Would you include ipsilateral nodes in adjuvant RT for bulky Mammary Analogue Secretory Carcinoma of salivary gland?
Histology 1st described 2010, and acknowledged by WHO 2017. Probably previously usually diagnosed as Acinic Cell Carcinoma. In one source (Chiosea SI et al. Histopathology. 2012;61(3):387-394) nodal spread was 17.6% for MASC (6/34) compared to 7.9% (3/38) for ACC, but it is odd that there are 2x MASK to ACC for this comparison.
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Mednet MemberInvited Expert
Radiation Oncology · University of Michigan
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I assume that the bulky lesion was dissected, likely by superficial parotidectomy (if it arose in the parotid gland), and that postop RT is indicated in this low-grade tumor due to positive/close margins or facial n involvement. While the risk of LN metas is small, the inclusion in the targets of ip...
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