INTRODUCTION: Early diagnosis of ulnar neuropathy at the elbow is important. Magnetic resonance neurography (MRN) images peripheral nerves. We evaluated the usefulness of elbow MRN in diagnosing ulnar neuropathy at the elbow. METHODS: The MR neurograms of 21 patients with ulnar neuropathy were reviewed retrospectively. MRN was performed prospectively on 10 normal volunteers. The MR neurograms included axial T1 and axial T2 fat-saturated and/or axial STIR sequences. The sensitivity and specificity of MRN in detecting ulnar neuropathy were determined. RESULTS: The mean ulnar nerve size in the symptomatic and normal groups was 0.12 and 0.06 cm(2) (P < 0.001). The mean relative signal intensity in the symptomatic and normal groups was 2.7 and 1.4 (P < 0.01). When using a size of 0.08 cm(2), sensitivity was 95% and specificity was 80%. DISCUSSION: Ulnar nerve size and signal intensity were greater in patients with ulnar neuropathy. MRN is a useful test in evaluating ulnar neuropathy at the elbow.
INTRODUCTION: Early diagnosis of ulnar neuropathy at the elbow is important. Magnetic resonance neurography (MRN) images peripheral nerves. We evaluated the usefulness of elbow MRN in diagnosing ulnar neuropathy at the elbow. METHODS: The MR neurograms of 21 patients with ulnar neuropathy were reviewed retrospectively. MRN was performed prospectively on 10 normal volunteers. The MR neurograms included axial T1 and axial T2 fat-saturated and/or axial STIR sequences. The sensitivity and specificity of MRN in detecting ulnar neuropathy were determined. RESULTS: The mean ulnar nerve size in the symptomatic and normal groups was 0.12 and 0.06 cm(2) (P < 0.001). The mean relative signal intensity in the symptomatic and normal groups was 2.7 and 1.4 (P < 0.01). When using a size of 0.08 cm(2), sensitivity was 95% and specificity was 80%. DISCUSSION: Ulnar nerve size and signal intensity were greater in patients with ulnar neuropathy. MRN is a useful test in evaluating ulnar neuropathy at the elbow.
Authors: Daniela B Husarik; Nadja Saupe; Christian W A Pfirrmann; Bernhard Jost; Juerg Hodler; Marco Zanetti Journal: Radiology Date: 2009-05-18 Impact factor: 11.105
Authors: C Kuntz; L Blake; G Britz; A Filler; C E Hayes; R Goodkin; J Tsuruda; K Maravilla; M Kliot Journal: Neurosurgery Date: 1996-10 Impact factor: 4.654
Authors: Sean Wo; Hyojeong Mulcahy; Michael L Richardson; Felix S Chew; Albert Gee; Jason Hsu; Jack Porrino Journal: Skeletal Radiol Date: 2017-03-16 Impact factor: 2.199
Authors: Avneesh Chhabra; Allan J Belzberg; Gedge D Rosson; Gaurav K Thawait; M Chalian; Sahar J Farahani; Jaimie T Shores; Gene Deune; Shar Hashemi; Shrey K Thawait; Ty K Subhawong; John A Carrino Journal: Eur Radiol Date: 2015-09-22 Impact factor: 5.315
Authors: Julia B Breitenseher; Gottfried Kranz; Alina Hold; Dominik Berzaczy; Stefan F Nemec; Thomas Sycha; Michael Weber; Daniela Prayer; Gregor Kasprian Journal: Eur Radiol Date: 2015-02-14 Impact factor: 5.315
Authors: Avneesh Chhabra; Swati D Deshmukh; Amelie M Lutz; Jan Fritz; Darryl B Sneag; Bayan Mogharrabi; Mina Guirguis; Gustav Andreisek; Yin Xi; Shivani Ahlawat Journal: Skeletal Radiol Date: 2022-04-27 Impact factor: 2.128
Authors: E L Yuh; S Jain Palrecha; G M Lagemann; M Kliot; P R Weinstein; N M Barbaro; C T Chin Journal: AJNR Am J Neuroradiol Date: 2014-10-09 Impact factor: 3.825
Authors: Hormoz Ayromlou; Mohammad K Tarzamni; Mohammad Hossein Daghighi; Mohammad Zakaria Pezeshki; Mohammad Yazdchi; Elyar Sadeghi-Hokmabadi; Ehsan Sharifipour; Kamyar Ghabili Journal: ISRN Neurol Date: 2012-07-24
Authors: Jennifer Kollmer; Philipp Bäumer; David Milford; Thomas Dombert; Frank Staub; Martin Bendszus; Mirko Pham Journal: PLoS One Date: 2012-10-10 Impact factor: 3.240