intraductal carcinoma of the oral cavity
Pure in situ form of salivary duct carcinoma.
Synopsis
crowded and smooth-contoured epithelial units exhibiting a fenestrated or cribriform pattern
+/- comedonecrosis
layer of myoepithelial cells demonstrated by immunostaining for p63 and actin, indicating absence of an invasive component.
Prognosis
good prognosis after local excision
References
Cheuk W, Miliauskas JR, Chan JK. Intraductal carcinoma of the oral cavity: a case report and a reappraisal of the concept of pure ductal carcinoma in situ in salivary duct carcinoma. Am J Surg Pathol. 2004 Feb;28(2):266-70. PMID: #15043319#
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