ArticleBMC musculoskeletal disorders2022
Evaluation of prestyloid recess morphology and ulnar-sided contrast leakage in CT arthrography of the wrist.
Article in BMC musculoskeletal disorders, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 8 citations in OpenAlex.
- The triangular fibrocartilage complex (TFCC): updated anatomy, variants, and MRI diagnostic pitfalls.Skeletal radiology · 2026Review
- More than Just Type 1 or Type 2: Radiologically and Anatomically Refined Lunate Classification Correlating Ulnar Carpal Alignment and Hamate-Lunate Osteoarthrosis.Journal of functional morphology and kinesiology · 2025Article
- Triangular Fibrocartilage Complex: An Anatomical and Medical Illustration Study.Clinical anatomy (New York, N.Y.) · 2025Review
- Arthroscopically assisted repair of foveal triangular fibrocartilage complex tear using modified "double loop suture" - a retrospective cohort study.BMC surgery · 2025Article
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Authors and funding
9 authors at 2 institutions in 1 country.
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Abstract
backgroundIn wrist arthrograms, aberrant contrast material is frequently seen extending into the soft tissue adjacent to the ulnar styloid process. Since the prestyloid recess can mimic contrast leakage in CT arthrography, this study aims to provide a detailed analysis of its morphologic variability, while investigating whether actual ulnar-sided leakage is associated with injuries of the triangular fibrocartilage complex (TFCC).
methodsEighty-six patients with positive wrist trauma history underwent multi-compartment CT arthrography (40 women, median age 44.5 years). Studies were reviewed by two board-certified radiologists, who documented the morphology of the prestyloid recess regarding size, opening type, shape and position, as well as the presence or absence of ulnar-sided contrast leakage. Correlations between leakage and the presence of TFCC injuries were assessed using the mean square contingency coefficient (r
resultsThe most common configuration of the prestyloid recess included a narrow opening (73.26%; width 2.26 ± 1.43 mm), saccular shape (66.28%), and palmar position compared to the styloid process (55.81%). Its mean length and anterior-posterior diameter were 6.89 ± 2.36 and 5.05 ± 1.97 mm, respectively. Ulnar-sided contrast leakage was reported in 29 patients (33.72%) with a mean extent of 12.30 ± 5.31 mm. Leakage occurred more often in patients with ulnar-sided TFCC injuries (r
conclusionsSince ulnar-sided contrast leakage is more common in patients with peripheral TFCC injuries, distinction between an atypical configuration of the prestyloid recess and actual leakage is important in CT arthrography of the wrist.
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