Sialolipoma of the submandibular gland in a child
Department of Pediatric Surgery, Saitama Children's Medical Center, Saitama 339-8551, Japan.Journal of Pediatric Surgery (Impact Factor: 1.39). 02/2011; 46(2):408-10. DOI: 10.1016/j.jpedsurg.2010.09.097
Sialolipoma is a new variant of salivary gland lipoma that was first proposed by Nagao et al (Histopathology 2001;38:30-36). Three cases of submandibular gland sialolipoma have been previously reported in the English literature, all of which were in adults. We report an unusual case of sialolipoma of the submandibular gland in a 3-year-old boy. This is the first reported case of submandibular gland sialolipoma in a child.
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- "Nineteen cases of sialolipoma were reported in major salivary glands without our cases [Table 2]. Fourteen cases have been reported in the parotid gland and 5 cases in the sub-mandibular gland. "
ABSTRACT: Sialolipoma is a rare neoplasm of salivary glands, described as a distinct entity by Nagao et al. in 2001. Thirty-six cases of sialolipoma in minor and major salivary glands have been reported thus far in addition to the two new cases of sialolipoma arising in the major salivary glands in this study. Thirty-six cases of sialolipoma published in English language reports were analyzed considering gender, age, location, size, duration of symptoms, treatment mode, follow-up, and histologic findings. Congenital sialolipomas were considered in this study. The first case occurred in a 45-year-old female and presented as a localized swelling in right parotid area. The second case occurred in an 18-year-old female as a swelling in the left parotid region. On histopathological examination, these lesions were diagnosed as sialolipoma.
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- "The parotid gland is the most common localisation of sialolipoma with 13 described cases (including the present case)       . The submandibular gland was involved in the other five cases affecting major salivary glands     , whereas there has been so far no report of sublingual gland involvement. As far as minor salivary glands are concerned, the most common localisation of sialolipomas is the hard palate with 5 cases described     , followed by the floor of the mouth    and the buccal mucosa    (3 cases each), the soft palate  , the tongue   (2 reported cases each) and the retromolar region  (1 case) (Figure 3, 4). "
ABSTRACT: Oncocytic lipoadenoma is a rare salivary gland tumour composed of adipose tissue and oncocytic epithelial cells in varied proportions. This tumour is still not included in the current WHO classification of salivary gland neoplasms. We herein report a further case of oncocytic lipoadenoma originating in the parotid gland of a 55-year-old woman. The tumour presented as a slowly growing asymptomatic left-sided parotid gland mass. The resected tumour measured 2.7 cm in maximum diameter and was composed of oncocytoma-like epithelial component admixed with mature adipocytes that made up 10% of the whole mass. Foci of sebaceous differentiation were seen. This rare variant of lipomatous salivary gland tumours is in need of more recognition and should be distinguished from other fat-containing salivary gland lesions, particularly lipomatous pleomorphic adenoma and myoepithelioma.
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