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Sclerosing polycystic adenosis (also abbreviated SPA) is a rare salivary gland tumor first described in 1996 by Dr. Brion Smith. [1] The major salivary glands, specifically the parotid gland (about 70% of cases) and the submandibular gland , are affected most commonly.
Chronic sclerosing sialadenitis is a chronic (long-lasting) inflammatory condition affecting the salivary gland. Relatively rare in occurrence, this condition is benign, but presents as hard, indurated and enlarged masses that are clinically indistinguishable from salivary gland neoplasms or tumors.
Sclerosing polycystic sialadenitis histologically resembles sclerosing adenosis/fibrocystic change of breast tissue. It composes of acini and ductal elements embedded in dense sclerotic stroma, and has a characteristic finding of large acinar cells present with abundant eosinophilic cytoplasmic granules.
Inflammatory papillary hyperplasia (IPH) is a benign lesion of the oral mucosa which is characterized by the growth of one or more nodular lesions, measuring about 2mm or less. [ 4 ] [ 5 ] The lesion almost exclusively involves the hard palate, and in rare instances, it also has been seen on the mandible.
These are solitary lesions lying within the lung varying in size between 10 and 80 millimeters in diameter. [citation needed] There are four elements in this tumour: solid, papillary, sclerotic and hemangiomatous. These are present in variable proportions depending on the lesion. Calcification occurs in 40%.
Median rhomboid glossitis is a condition characterized by an area of redness and loss of lingual papillae on the central dorsum of the tongue, sometimes including lesions of the tongue and palate. It is seen in patients using inhaled steroids and smokers, and is usually a kind of chronic atrophic oral candidiasis , but hematinic deficiency and ...
The microscopic appearance of a nipple adenoma can be mistaken for carcinoma. [1] Other conditions that have similar symptoms and signs as nipple adenoma include Paget's disease of the breast, other intraductal papillomas, ductal carcinoma in situ (DCIS), syringomatous adenoma of the nipple and subareolar sclerosing duct hyperplasia.
Lymphangioma circumscription can be healed when treated with a flashlamp pulsed dye laser, although this can cause port-wine stains and other vascular lesions. [15] Orbital lymphangiomas, which carry significant risks from surgical removal, can also be treated with sclerosing agents, systemic medication, or through observation. [16]