Pathology General b3c4d8e7 Which of the following features distinguish Necrotizing Sialometaplasia from squamous Cell carcinoma? A Majority of intraoral cases present with ulceration and pain in the later stages B Varying degrees of lobar necrosis is seen C Squamous metaplasia of excretory ducts and acini are noted D Nests of squamous epithelium with several residual ductal lamina within them are noticed High-Yield Explanation No explanation provided.