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Spindle cell lipoma is most frequently located in the upper back, shoulder, or posterior neck subcutaneous layer. [3] Nonetheless, reports of it occurring in the mediastinum, hypopharynx, larynx, anterior neck, suprasellar region, esophagus, nasal vestibule, tongue, floor of mouth, vallecula, parotid gland, and breast have been made. [4]
Cutaneous lipomas are rare in children, but these tumors can occur as part of the inherited disease Bannayan-Zonana syndrome. [40] [41] Lipomas are usually relatively small with diameters of about 1–3 cm, [42] but in rare cases they can grow over several years into "giant lipomas" that are 10–20 cm across and weigh up to 4–5 kg. [43] [44]
Benign symmetric lipomatosis, also known as Madelung's disease, is an adult-onset skin condition characterized by extensive symmetric fat deposits in the head, neck, and shoulder girdle area. [1] The symmetrical fat deposits are made of unencapsulated lipomas , which distinguishes it from typical lipomatosis which has encapsulated lipomas that ...
Most cases of pleomorphic lipoma are seen in the subcutaneous tissue of the back, shoulder, and posterior neck. [2] Less commonly, it can also happen in odd places like the tongue, [3] vulva, [4] palm, [5] tonsillar fossa, [6] orbit, [7] and oral cavity. [8] The lesion usually presents as a subcutaneous lump that is circumscribed, like the ...
Many discrete, encapsulated lipomas form on the trunk and extremities, with relatively few on the head and shoulders. [1] In 1993, a genetic polymorphism within lipomas was localized to chromosome 12q15 , where the HMGIC gene encodes the high-mobility-group protein isoform I-C. [ 2 ] This is one of the most commonly found mutations in solitary ...
Neural fibrolipomas are often characterized by a mass under the skin accompanied with sensory deficit in the same area or a painful sensation. There is often loss of motor function in the hand as well. These lipomas are almost exclusively found in people under 30 years old. [3] The mass is made of fibro-fatty tissue that begins encroaches on a ...
The lipomas are well-encapsulated, slow-growing, benign fatty tumors. The distribution is defined as being focused in the trunk of the body and extremities. [2] Familial Multiple Lipomatosis can be identified when multiple lipomas occur in multiple family members that span different generations. [2] Some people may have hundreds of lipomas ...
Although they have also been reported in the head and neck, shoulder, groin, axilla, back, and abdominal cavity, these tumors typically manifest in the extremities. [10] Although it is normally painless, it may cause symptoms such as vomiting, stomach pain, paralysis, or fecal or urinary incontinence, depending on where the mass is anatomically.