1/17. Necrotizing sialometaplasia of parotid gland: a possible vasculitic cause.Necrotizing sialometaplasia at the parotid gland location is rare and simulates malignant disease. If it is seen at this location, the causes may be previous dental or parotid gland surgical procedures, which result in blood vessel injuries and thrombosis. We report a parotid gland necrotizing sialometaplasia of a 17-year-old girl, possibly caused by primary vascular damage or vasculitis.- - - - - - - - - - ranking = 1keywords = gland (Clic here for more details about this article) |
2/17. Subacute necrotizing sialadenitis: a form of necrotizing sialometaplasia?OBJECTIVES: To report our experience of subacute necrotizing sialadenitis (SANS), an unusual lesion of the minor salivary palatal glands, and to discuss its relationship with necrotizing sialometaplasia (NS). DESIGN: A retrospective review of records for patients with SANS identified between 1996 and 2001. SETTING: Academic center, referral center, and an ambulatory care center. patients: Three patients (1 woman, 2 men), aged 22, 23, and 40 years at diagnosis. INTERVENTION: All 3 patients underwent incisional biopsy. MAIN OUTCOME MEASURES: Clinical description of SANS, ability to make the diagnosis preoperatively, clinical evolution, histologic features, and comparison with the much more frequent NS. RESULTS: Three patients presented with a lateral palatal nodule (1 case bilateral, 1 case ulcerated) of 7 to 10 days' duration, 0.8 to 1.0 cm in size, slightly or not painful. No patient was correctly diagnosed prior to undergoing a biopsy. In all 3 cases, the biopsy specimen showed acinic necrosis surrounded by a dense polymorphous inflammatory infiltrate with atrophy of ductal cells but no squamous metaplasia. Healing occurred without any further treatment in up to 3 weeks. No recurrence was observed in 2 cases; 1 patient was lost to follow-up. CONCLUSIONS: SANS is a painful spontaneously resolving necrosis of the palatal salivary glands, easily misdiagnosed preoperatively. The main differences from NS are smaller size of lesion, scarcity of ulceration, and absence of squamous metaplasia. Although initially described as a new autonomous entity, SANS might be an early or minimal form of NS.- - - - - - - - - - ranking = 0.28571428571429keywords = gland (Clic here for more details about this article) |
3/17. Necrotizing sialometaplasia (adenometaplasia) of the trachea.Necrotizing sialometaplasia is a benign condition first described in minor salivary glands of the soft palate with morphological changes which can be misinterpreted as squamous-cell carcinoma. Similar lesions have been subsequently reported in other locations including major salivary glands, lip, breast and skin (the term syringometaplasia has been applied for the latter). We report three cases of such a process involving submucosal glands in the trachea following prolonged translaryngeal intubation.- - - - - - - - - - ranking = 0.42857142857143keywords = gland (Clic here for more details about this article) |
4/17. Necrotizing sialometaplasia: an unusual bilateral presentation associated with antecedent anaesthesia and lack of response to intralesional steroids. Case report and review of the literature.Necrotizing sialometaplasia is a self-limiting, variably ulcerated benign process affecting minor salivary glands. Accurate histological diagnosis is paramount, as it has been mistaken for malignancy, which has resulted in excessively aggressive and unnecessary radical surgery. A unique case of bilateral necrotizing sialometaplasia, presenting with anaesthesia of the greater palatine nerves, is described. An attempt at active therapy with intralesional steroids had no effect on the course of the condition.- - - - - - - - - - ranking = 0.14285714285714keywords = gland (Clic here for more details about this article) |
5/17. Necrotizing sialometaplasia: report of five cases.Necrotizing sialometaplasia (NS) is a self-limiting inflammatory disease, that involves salivary glands, more frequently the minor ones. Although its etiopathogenesis remains still unknown some authors suggest that a physico-chemical or biological injury on the blood vessels may produce ischemic changes, leading to infarction of the gland and its further necrosis. Its clinical and histologic feature resemble malignancy. Clinically it may appear like an ulcer with slightly elevated irregular borders and necrotic base. Histologic features are squamous metaplasia of ducts and acini and a pseudoepitheliomatous hyperplasia of the overlying mucosa. These characteristics may induce to an inapropiated diagnosis of malignant neoplasia. A correct diagnosis to avoid mutilant surgical treatments is essential, considering that it is a self-limiting disease. In this report we describe five cases of NS in females, located in minor glands of the palate.- - - - - - - - - - ranking = 0.42857142857143keywords = gland (Clic here for more details about this article) |
6/17. Sialosis and necrotising sialometaplasia in bulimia; a case report.Salivary gland involvement, particularly salivary gland enlargement (sialosis), is a recognised complication in bulimia. We report the rare association of sialosis and necrotising sialometaplasia with bulimia in the same patient. The association of sialosis and necrotising sialometaplasia in the same patient with bulimia has been reported previously in two patients and may be coincidental, but the appearance in this additional patient suggests it may be prudent to explore this further.- - - - - - - - - - ranking = 0.28571428571429keywords = gland (Clic here for more details about this article) |
7/17. Necrotizing sialometaplasia associated with bulimia: case report and literature review.Necrotizing sialometaplasia (NSM) is a self-limiting disorder affecting mainly the minor salivary glands. The significance of NSM resides in its clinical and histopathological resemblance to carcinoma. Few cases of NSM associated with eating disorders have been reported to date. We present here the clinical features and histomorphology of an additional case of bulimia-associated NSM closely mimicking an invasive carcinoma. A high index of suspicion and good communication between clinician and pathologist are essential in recognizing this entity and preventing unnecessary surgical therapy.- - - - - - - - - - ranking = 0.14285714285714keywords = gland (Clic here for more details about this article) |
8/17. Necrotizing sialometaplasia in the mouth floor secondary to reconstructive surgery for tongue carcinoma.Necrotizing sialometaplasia is a benign inflammatory process, which histologically can mimic squamous cell carcinoma. A 63-year-old man underwent left hemiglossectomy involving transplantation of a myocutaneous flap for squamous cell carcinoma of the tongue. One month after the operation, necrotizing sialometaplasia occurred in the minor salivary gland tissue of the mouth floor, compressed by the necrotic flap. This case is very unusual because of the occurrence of necrotizing sialometaplasia in the floor of the mouth. The etiology of the lesion was considered to be ischemia secondary to compression by the necrotic myocutaneous flap.- - - - - - - - - - ranking = 0.14285714285714keywords = gland (Clic here for more details about this article) |
9/17. Posttraumatic lobular squamous metaplasia of breast. An unusual pseudocarcinomatous metaplasia resembling squamous (necrotizing) sialometaplasia of the salivary gland.Squamous metaplasia arising in nonneoplastic breast parenchyma is reportedly rare. We present a unique case which occurred following severe blunt trauma to the right breast of a 59-yr-old woman. The lesion contained sheets of squamous cells with a lobular growth pattern, bland cytology with few mitoses, and keratin and keratohyalin granules. It bore a striking resemblance to squamous (necrotizing) sialometaplasia of the salivary gland in that it exhibited lobular, pseudocarcinomatous growth. The patient has remained free of disease 49 mo after segmental resection of the lesion. Four previous cases of squamous metaplasia of the female breast have been reported, though none presented with a history of trauma or previous surgical manipulation. It is important to differentiate this entity from pure squamous cell carcinoma, and metaplastic change in ductal breast carcinoma, fibroadenoma, and other lesions. breast aspiration biopsies revealing squamous cells cannot exclude carcinoma; thus, caution must be exercised.- - - - - - - - - - ranking = 0.71428571428571keywords = gland (Clic here for more details about this article) |
10/17. Necrotizing sialometaplasia.A case of necrotizing sialometaplasia in a 29-year-old man is reported. Characterized by large, deep, well-demarcated ulcerations on the hard palate and other areas where salivary gland tissue is found, the condition is benign and resolves spontaneously. The cause is believed to be infarctive.- - - - - - - - - - ranking = 0.14285714285714keywords = gland (Clic here for more details about this article) |
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