Posterior interosseous nerve palsy caused by lipoma: A case report

Murphy, Amanda; Williams, Jeffrey

doi:10.4172/plastic-surgery.1000623

Cited by 2 publications

(4 citation statements)

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“…After duplicates were consolidated and articles screened for relevancy, 30 articles comprising 34 patients met inclusion criteria and were included in the analysis (Supplementary Table 1). 3,5-35 Studies comprised of case series and reports dating from 1953 to 2019. Each study included 1 to 4 patients, 31 of which described 1 patient.…”

Section: Resultsmentioning

confidence: 99%

Forearm Lipoma Causing PIN Compression: Literature Review and Meta-Analysis of Predictors for Motor Recovery

Cheng

Punjabi

Günther

et al. 2022

Hand (New York, N,Y.)

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Background: Lipomas are a rare cause of posterior interosseous nerve (PIN) compression. A systematic review of predictors for motor recovery has not been performed. This study sought to evaluate whether patient or lipoma characteristics are associated with motor recovery and could be used to determine when immediate tendon transfers at the time of excision should be performed. Methods: Articles describing patients with forearm lipomas resulting in PIN compression with motor weakness were included. Patient age, gender, symptom duration, laterality and largest dimension of lipoma, surgical intervention, and motor recovery were identified. Article quality was assessed via the Methodological Index for Non-Randomized Studies criteria. Results: Thirty articles reporting on 34 patients were identified. Average age was 58.2 years. Average largest lipoma dimension was 5.7 cm. All patients underwent lipoma removal, and 2 had concomitant tendon transfers. In all, 73.5% of patients had complete motor recovery at an average of 9.7 months. Patient age and largest dimension of lipoma, and duration of symptoms were not significant predictors of motor recovery. Symptom duration was a significant predictor of motor recovery in binary regression, particularly if < 18 months. Conclusions: The majority of patients with PIN weakness secondary to lipoma are likely to have complete motor recovery after excision alone. Concomitant tendon transfers should be considered for patients symptomatic for greater than 18 months. Further, adequately powered, studies are required to stratify risk factors and evaluate other modalities to identify the minority of patients who would benefit from immediate tendon transfer.

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Section: Resultsmentioning

confidence: 99%

Forearm Lipoma Causing PIN Compression: Literature Review and Meta-Analysis of Predictors for Motor Recovery

Cheng

Punjabi

Günther

et al. 2022

Hand (New York, N,Y.)

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“…Intramuscular lipoma was first reported in 1856 in the trapezius muscle by Paget [ 1 , 4 ]. Lipoma causing PIN palsy was first reported by Richmond in 1953 [ 5 , 6 ]. Other non-traumatic causes that can lead to PIN palsy are ganglionic cyst in the proximal forearm (first reported by Boven and Stone in 1966), synovial cysts, chondroma, fibromas, arterio-venous malformations, neuralgic amyotrophy [ 7 ], supinator entrapment or focal nerve constrictions [ 8 ], etc.…”

Section: Discussionmentioning

confidence: 99%

“…Diffusion-weighted MR neurography (DW-MRN) [ 11 ] has also been used, which uses a unique software to subtract other tissues and visualizes the nerve. Ultrasonography can also be used to visualize lipoma causing PIN palsy [ 6 ]. In case of nerve deficits, nerve conduction studies can reveal the region of nerve injury.…”

Section: Discussionmentioning

confidence: 99%