WebSep 1, 2015 · Thumb aplasia (Blauth type V hypoplastic thumb) was the most common type of classifiable thumb abnormality and occurred in 35% of involved thumbs. Twenty-seven percent of abnormal thumbs affected were not classifiable according to the Blauth classification, and 19% of involved thumbs (hypoplastic or absent) had first-web … WebDec 20, 2013 · Blauth subsequently detailed five specific grades. In 1992, Manske and McCarroll altered Blauth’s classification such that Grade 3 was sub-divided into Grades 3A and 3B, according to a presence or absence of the proximal metacarpal. Buck-Gramcko added a Grade 3C in which there was only a remnant metacarpal head.
Thumb hypoplasia Blauth classification
WebModified Blauth classification of hypoplastic thumb: I: Minimal shortening and narrowing: II: Thumb-Index web space narrowing Hypoplastic intrinsic thenar muscles Metacarpophalangeal joint instability : III: A: Type II features, plus extrinsic tendon abnormalities and Hypoplastic metacarpal, stable carpometacarpal : B WebClassification systems of thumb hypoplasia assist surgical decision making and reflect the progression in the understanding of this condition. While Müller was among the first to categorize thumb hypoplasia, Blauth’s classification (and Buck-Gramcko’s modification) is the most used categorization. The principle of 5-2 사회문제집
Classification and treatment of symbrachydactyly: A series of 117 …
WebJul 8, 2024 · Classification. Blauth classified thumb hypoplasia on the degree of hypoplasia based on Müller’s work, with later modification by Manske and McCarroll to subdivide grades 3A and 3B depending on the presence or absence of the proximal metacarpal (Fig. 13.15) . WebJun 4, 2024 · The modified Blauth classification is commonly used to classify the condition, which is based on the atrophy of the thenar muscles, the contracture of the adductor pollicis, and the degree of dysplasia of the metacarpus in the thumb . Type I thumbs have minimal shortening and narrowing. Type II thumbs have thumb-index web … WebModified Blauth classification of hypoplastic thumb: I: Minimal shortening and narrowing: II: Thumb-Index web space narrowing Hypoplastic intrinsic thenar … 5-5 攻略 中央下