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Lipodystrophy syndromes are a group of genetic or acquired disorders in which the body is unable to produce and maintain healthy fat tissue. [1] [2] The medical condition is characterized by abnormal or degenerative conditions of the body's adipose tissue.
Barraquer–Simons syndrome is a rare form of lipodystrophy, which usually first affects the head, and then spreads to the thorax. [ 2 ] [ 3 ] It is named for Luis Barraquer Roviralta (1855–1928), a Spanish physician, and Arthur Simons (1879–1942), a German physician.
Acquired generalized lipodystrophy (AGL), also known as Lawrence syndrome [1] and Lawrence–Seip syndrome, [1] is a rare skin condition that appears during childhood or adolescence, characterized by fat loss affecting large areas of the body, particularly the face, arms, and legs.
Familial partial lipodystrophy, also known as Köbberling–Dunnigan syndrome, [2] is a rare genetic metabolic condition characterized by the loss of subcutaneous fat. [ 3 ] : 495 FPL also refers to a rare metabolic condition in which there is a loss of subcutaneous fat in the arms, legs and lower torso.
Congenital generalized lipodystrophy (also known as Berardinelli–Seip lipodystrophy) is an extremely rare autosomal recessive condition, characterized by an extreme scarcity of fat in the subcutaneous tissues. [2] It is a type of lipodystrophy disorder where the magnitude of fat loss determines the severity of metabolic complications. [3]
Other entities which are accompanied by multiple lipomas include Proteus syndrome, Cowden syndrome and related disorders due to PTEN gene mutations, benign symmetric lipomatosis (Madelung disease), Dercum's Disease, familial lipodystrophy, hibernomas, epidural steroid injections with epidural lipomatosis, [6] and familial angiolipomatosis.
Corticosteroid-induced lipodystrophy (CIL) is a condition of abnormal fat deposition caused by corticosteroid medications. [1] Fat accumulates in the facial area (" moon face "), dorsocervical region ("buffalo hump"), and abdominal area ("pot belly" or "beer belly"), whereas the thickness of subcutaneous fat in the limbs is decreased. [ 1 ]
On the one hand, lipodystrophy seems to be mainly due to HIV-1 protease inhibitors. Interference with lipid metabolism is postulated as pathophysiology. Also, the development of lipodystrophy is associated with specific nucleoside reverse transcriptase inhibitors (NRTI).