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Cerebellar pontine angle and internal auditory canal lipomas [10] Chondroid lipomas are deep-seated, firm, yellow tumors that characteristically occur on the legs of women. [7]: 625 Corpus callosum lipoma is a rare congenital brain condition that may or may not present with symptoms. [11]
It usually appears in adult life, and usually on the axilla, knee, ear, arm, scalp and the lower trunk. [3] In both multiple and solitary variants, the histopathology shows variable amounts of mature lipocytes within the dermis. Occasionally, there is an excessive fibrocollagenous tissue proliferation.
ICD-9 chapters; Chapter Block Title I 001–139: Infectious and Parasitic Diseases II 140–239: Neoplasms III 240–279: Endocrine, Nutritional and Metabolic Diseases, and Immunity Disorders IV 280–289: Diseases of the Blood and Blood-forming Organs V 290–319: Mental Disorders VI 320–389: Diseases of the Nervous System and Sense Organs ...
"fatty tumor" (plural lipomata), 1830, medical Latin, from Greek lipos "fat" (n.), from PIE root *leip- "to stick, adhere," also used to form words for "fat," + -oma. [ citation needed ] word-forming element expressing state or condition, in medical terminology denoting "a state of disease," from Latin -osis and directly from Greek -osis ...
[10] [17] The fat deposited around the front of the neck is known as Madelung's collar or horse collar. [13] [5] Fat deposited on the back of the neck between the shoulder blades is known as a dorsocervical fat pad or buffalo hump. [13] [18] Fat deposited in the parotid region is known as hamster cheeks. [10]
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]
Overall, the 10-year survival rate of MLS individuals has been 77%, a survival rate appreciably longer than other liposarcoma forms. Compared to low-risk MLS, high-risk MLS (risk defined by tumor round cell content and/or other unfavorable prognostic indicators) is associated with increased rates of metastasis and therefore a shorter survival time.
Angiolipoma is a subcutaneous nodule with vascular structure, having all other features of a typical lipoma. They are commonly painful. [1]: 624 [2] Angiolipomas manifest as multiple painful subcutaneous nodules commonly on the upper limbs. The can occur sporadically, with a family history or after trauma.