Cases reported "Lip Neoplasms"

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1/3. Necrotizing sialometaplasia affecting the minor labial glands.

    A case of necrotizing sialometaplasia of the lower lip, a previously unreported location for this lesion, is presented. In the past, other cases of this benign process occuring in this site may have been confused with squamous-cell or mucoepidermoid carcinoma. In order to arrive at the correct diagnosis, an ample biopsy of the lesion is mandatory.
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ranking = 1
keywords = sialometaplasia, necrotizing sialometaplasia, necrotizing
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2/3. Necrotizing sialometaplasia masquerading as residual cancer of the lip.

    Necrotizing sialometaplasia is a benign disorder that histologically can mimic carcinoma. It is thought to develop as a result of ischemia or adjacent tissue injury. A patient is described who underwent a Mohs' micrographical fresh-tissue excision of one-third of the upper lip for basal cell carcinoma. By the time she was ready for reconstruction, a marked eczematous reaction developed to a polymyxin neomycin preparation (Neosporin ointment) at the wound edges. Reexcision of the wound margins before a flap reconstruction revealed necrotizing sialometaplasia on histopathological examination. This incidental finding fortunately was not mistaken for residual tumor. To prevent over-diagnosis and over-treatment of presumed malignancies, an awareness of necrotizing sialometaplasia is essential for all surgeons operating on mucosal surfaces in the head and neck.
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ranking = 1.4929779591163
keywords = sialometaplasia, necrotizing sialometaplasia, necrotizing
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3/3. Necrotizing sialometaplasia of the lip simulating squamous cell carcinoma.

    A case of necrotizing sialometaplasia of the lip in an 68-year-old pipe smoker is described. Necrotizing sialometaplasia is a self-healing non-neoplastic disease probably of ischaemic nature. Thirty-nine cases of sialometaplasia are described in the literature up to early 1979. These cases appeared in the palate, nasal cavity, gingiva, lip, hypopharynx and maxillary sinus. Six cases have also been reported from major salivary glands. Histologically there is necrosis of mucous cells with partial replacement by squamous epithelium. This entity has often been mistaken for squamous or mucoepidermoid carcinoma. One has to be familiar with the existence of necrotizing sialometaplasia in ordeg surgery.
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ranking = 1.6619853060775
keywords = sialometaplasia, necrotizing sialometaplasia, necrotizing
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