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The ulnar fovea sign is a clinical test used to specify the cause of ulnar-sided wrist pain. A positive ulnar fovea sign test is indicative of foveal disruption of the distal radioulnar ligaments and ulnotriquetral ligament injuries.
18 gru 2023 · Triangular Fibrocartilage Complex (TFCC) Injuries, a common cause of ulnar-sided wrist pain, may result from trauma or due to degenerative changes. Diagnosis is made clinically with ulnar sided wrist pain that is worse with ulnar deviation and a positive "fovea" sign.
Pain at the ulnar aspect of the wrist is a diagnostic challenge for hand surgeons and radiologists, due to the small and complex anatomic structures involved. Imaging evidence of the underlying cause of pain is frequently subtle, involving small structures.
Ulnar-sided wrist pain is challenging for the most experienced upper extremity providers. Often referred to as the “black box” of the wrist, ulnar wrist pain incorporates a multitude of pain generators and diagnoses from both traumatic and degenerative etiologies.
The ulnar head is immediately palpable in the ulnar dorsal quadrant of the wrist and the ulnar styloid is the most dorsal and distal aspect of the ulnar head. Starting on the ulnar styloid, let the tip of your examining finger slide volarly into a groove: this is the fovea (A∗), where the TFCC is located.
18 lip 2024 · Ulnocarpal Abutment Syndrome is a common source of ulnar sided wrist pain secondary to excessive impact stress between the ulna and the carpal bones (primarily lunate). Diagnosis is made with PA wrist radiographs showing positive ulnar variance and sclerosis of the lunate.
The hypothesis stating that the ulnar fovea sign is a useful clinical maneuver to detect foveal disruptions and UT ligament tears is supported. The conditions represent 2 common sources of ulnar-sided wrist pain.
