WebNov 24, 2024 · The pattern of glenoid wear in primary glenohumeral OA shows greatest variation in the axial plane. 55 Walch has observed that the majority are either concentric (Walch type-A) or posterior eccentric (Walch type-B). Each type is subdivided as per the severity of glenoid erosion (A1-2; B1-3). 32 , 55 WebPresence of neo and paleo glenoid Retroversion 23.4 B3 Humeral head posterior subluxation, >70% No paleo glenoid presence Retroversion of 15 or more monoconcave and posteriorly worn C developmental anomaly resulting from abnormal osseous fusion within the glenoid retroversion not due to erosion
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WebOct 4, 2024 · glenoid labrum : the cavity has a fibrocartilaginous structure on its margin called the glenoid labrum which is continuous superiorly with the tendon of the long … WebApr 3, 2024 · Glenoids are classified (subtypes A1, A2, B1, B2, C) on the basis of the pattern of glenoid morphology and bone loss, and the presence of subluxation of the humeral … my pillow hybrid mattress reviews
Eccentric Reaming for B2 Glenoids: History, Preoperative …
WebJul 9, 2024 · The B2 glenoid ( Figure 2) is characterized by biconcavity on the glenoid surface where the native anterior glenoid or paleoglenoid persists and represents … WebMar 31, 2024 · An anatomic polyethylene component was digitally implanted flush with the paleoglenoid of the B2 glenoid to recreate the position and angle of the original joint line. The distance between the polyethylene component and posterior glenoid concavity was defined as the depth of erosion. WebMar 1, 2024 · The B2 glenoid is biconcave and the paleo glenoid represents the patient׳s normal glenoid version and inclination and as such can be used as a guide for accurate glenoid component placement. In this example, the vault model placed within the pathologic glenoid vault also demonstrates the premorbid version and inclination, as does the … the seashell lbi nj