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Hypothenar hammer syndrome affects less than 1% of the population, but if the diagnosis is delayed, digital gangrene and critical ischemia can ensue. The condition is caused by injury to the ulnar artery at the level of the hook of hamate when the palm of the hand is repetitively used as a hammer. Injury includes segmental occlusion of the ulnar artery and aneurysmal formation with or without occlusion. Patients with hypothenar hammer syndrome often present with symptoms of secondary Raynaud syndrome; if Raynaud is unilateral, a vascular origin should be suspected and ruled out. Treatment options for hypothenar hammer syndrome include conservative treatment measures, fibrinolysis, or surgical resection and repair, and depend on the specific injury and timing of diagnosis.
This article was published in the following journal.
Name: JAAPA : official journal of the American Academy of Physician Assistants
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A condition characterized by a series of interrelated digital symptoms and joint changes of the lesser digits and METATARSOPHALANGEAL JOINTS of the FOOT. The syndrome can include some or all of the following conditions: hammer toe, claw toe, mallet toe, overlapping fifth toe, curly toe, EXOSTOSIS; HYPEROSTOSIS; interdigital heloma, or contracted toe.
Two syndromes of oral, facial, and digital malformations. Type I (Papillon-Leage and Psaume syndrome, Gorlin-Psaume syndrome) is inherited as an X-linked dominant trait and is found only in females and XXY males. Type II (Mohr syndrome) is inherited as an autosomal recessive trait.
Condition with a variable constellation of phenotypes due to deletion polymorphisms at chromosome location 22q11. It encompasses several syndromes with overlapping abnormalities including the DIGEORGE SYNDROME, VELOCARDIOFACIAL SYNDROME, and CONOTRUNCAL AMOMALY FACE SYNDROME. In addition, variable developmental problems and schizoid features are also associated with this syndrome. (From BMC Med Genet. 2009 Feb 25;10:16) Not all deletions at 22q11 result in the 22q11deletion syndrome.
Rare congenital disorder with multiple anomalies including: characteristic dysmorphic craniofacial features, musculoskeletal abnormalities, neurocognitive delay, and high prevalence of cancer. Germline mutations in H-Ras protein can cause Costello syndrome. Costello syndrome shows early phenotypic overlap with other disorders that involve MAP KINASE SIGNALING SYSTEM (e.g., NOONAN SYNDROME and cardiofaciocutaneous syndrome).
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