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Qin LH, Cao W, Chen FT, Chen QB, Liu XX. Treatment of posterior interosseous nerve entrapment syndrome with ultrasound-guided hydrodissection: A case report. World J Clin Cases 2023; 11:6624-6630. [PMID: 37900228 PMCID: PMC10601017 DOI: 10.12998/wjcc.v11.i27.6624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 08/20/2023] [Accepted: 09/06/2023] [Indexed: 09/20/2023] Open
Abstract
BACKGROUND Posterior interosseous nerve (PIN) entrapment syndrome is one of the causes of weakness and pain of the arm muscles, which is prone to missed diagnosis and misdiagnosis in clinic practice. This paper reports a case of PIN entrapment syndrome, with PIN injury indicated by electrophysiology. Musculoskeletal ultrasound was applied to identify that the entrapment point was located at the inlet of the Frohse arch and the outlet of the supinator muscle. Treatment with ultrasound-guided nerve hydrodissection was performed on the entrapment point, which significantly improved the symptoms. Ultrasound-guided nerve hydrodissection is an effective therapeutic method for PIN entrapment syndrome. CASE SUMMARY A male patient, 35 years old, worked as an automobile mechanic. He felt slightly weak extension activity of his right fingers 2 years ago but sought no treatment. Later, the symptoms gradually became aggravated and led to finger drop, particularly severe in the right middle finger, accompanied by supination weakness of the right forearm. Neural electrophysiological examination showed that the patient had partial PIN injury of the right radius. Musculoskeletal ultrasound examination indicated PIN entrapment at the inlet of the Frohse arch and the outlet of the supinator muscle. Therefore, PIN entrapment syndrome was diagnosed. After treatment with ultrasound-guided nerve hydrodissection around the entrapment point, the dorsiflexion weakness of the right hand was significantly improved compared with before treatment. CONCLUSION Ultrasound-guided hydrodissection is efficacious for PIN entrapment syndrome, with high clinical value and great application prospects.
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Affiliation(s)
- Lan-Hui Qin
- Department of Rehebalitation Medicine, The People's Hospital of Guangxi Zhuang Autonomous Region, Nanning 530021, Guangxi Zhuang Autonomous Region, China
| | - Wan Cao
- Department of Rehebalitation Medicine, The People's Hospital of Guangxi Zhuang Autonomous Region, Nanning 530021, Guangxi Zhuang Autonomous Region, China
| | - Fei-Tong Chen
- Department of Rehebalitation Medicine, The People's Hospital of Guangxi Zhuang Autonomous Region, Nanning 530021, Guangxi Zhuang Autonomous Region, China
| | - Qi-Bo Chen
- Department of Rehebalitation Medicine, The People's Hospital of Guangxi Zhuang Autonomous Region, Nanning 530021, Guangxi Zhuang Autonomous Region, China
| | - Xi-Xia Liu
- Department of Rehebalitation Medicine, The People's Hospital of Guangxi Zhuang Autonomous Region, Nanning 530021, Guangxi Zhuang Autonomous Region, China
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Mohana-Borges AVR, Souza SAL, Mohana-Borges R, Statum S, Chung CB. Deep branch of the radial nerve: effect of pronation/supination on longitudinal nerve alignment. Skeletal Radiol 2023; 52:1683-1693. [PMID: 37010538 PMCID: PMC10348978 DOI: 10.1007/s00256-023-04332-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 03/14/2023] [Accepted: 03/25/2023] [Indexed: 04/04/2023]
Abstract
OBJECTIVE To evaluate the effect of maximal pronation and supination of the forearm on the alignment and anatomic relationship of the deep branch of the radial nerve (DBRN) at the superior arcade of the supinator muscle (SASM) by using high-resolution ultrasound (HRUS). MATERIALS AND METHODS In this cross-sectional study, HRUS in the long axis of the DBRN was performed in asymptomatic participants enrolled from March to August 2021. DBRN alignment was evaluated by measuring angles of the nerve in maximal pronation and maximal supination of the forearm independently by two musculoskeletal radiologists. Forearm range of motion and biometric measurements were recorded. Student t, Shapiro-Wilk, Pearson correlation, reliability analyses, and Kruskal-Wallis test were used. RESULTS The study population included 110 nerves from 55 asymptomatic participants (median age, 37.0 years; age range, 16-63 years; 29 [52.7%] women). There was a statistically significant difference between the DBRN angle in maximal supination and maximal pronation (Reader 1: 95% CI: 5.74, 8.21, p < 0.001, and Reader 2: 95% CI: 5.82, 8.37, p < 0.001). The mean difference between the angles in maximal supination and maximal pronation was approximately 7° for both readers. ICC was very good for intraobserver agreement (Reader1: r ≥ 0.92, p < 0.001; Reader 2: r ≥ 0.93, p < 0.001), as well as for interobserver agreement (phase 1: r ≥ 0.87, p < 0.001; phase 2: r ≥ 0.90, p < 0.001). CONCLUSION The extremes of the rotational movement of the forearm affect the longitudinal morphology and anatomic relationships of the DBRN, primarily demonstrating the convergence of the nerve towards the SASM in maximal pronation and divergence in maximal supination.
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Affiliation(s)
- Aurea V R Mohana-Borges
- Radiology, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
- Radiology, University of California, San Diego, USA
| | - Sergio A L Souza
- Radiology, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Ronaldo Mohana-Borges
- Laboratory of Biotechnology and Structural Bioengineering, Biophysics Institute Carlos Chagas Filho, Rio de Janeiro Federal University, Rio de Janeiro, Brazil
| | | | - Christine B Chung
- Radiology, University of California, San Diego, USA.
- Radiology, Veterans Affairs Medical Center, San Diego, USA.
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Węgiel A, Karauda P, Zielinska N, Tubbs RS, Olewnik Ł. Radial nerve compression: anatomical perspective and clinical consequences. Neurosurg Rev 2023; 46:53. [PMID: 36781706 PMCID: PMC9925568 DOI: 10.1007/s10143-023-01944-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Revised: 01/01/2023] [Accepted: 01/16/2023] [Indexed: 02/15/2023]
Abstract
The radial nerve is the biggest branch of the posterior cord of the brachial plexus and one of its five terminal branches. Entrapment of the radial nerve at the elbow is the third most common compressive neuropathy of the upper limb after carpal tunnel and cubital tunnel syndromes. Because the incidence is relatively low and many agents can compress it along its whole course, entrapment of the radial nerve or its branches can pose a considerable clinical challenge. Several of these agents are related to normal or variant anatomy. The most common of the compressive neuropathies related to the radial nerve is the posterior interosseus nerve syndrome. Appropriate treatment requires familiarity with the anatomical traits influencing the presenting symptoms and the related prognoses. The aim of this study is to describe the compressive neuropathies of the radial nerve, emphasizing the anatomical perspective and highlighting the traps awaiting physicians evaluating these entrapments.
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Affiliation(s)
- Andrzej Węgiel
- Department of Anatomical Dissection and Donation, Medical University of Lodz, Lodz, Poland
| | - Piotr Karauda
- Department of Anatomical Dissection and Donation, Medical University of Lodz, Lodz, Poland
| | - Nicol Zielinska
- Department of Anatomical Dissection and Donation, Medical University of Lodz, Lodz, Poland
| | - R Shane Tubbs
- Department of Anatomical Sciences, St. George's University, Grenada, USA
- Department of Neurosurgery, Tulane University School of Medicine, New Orleans, LA, USA
- Department of Neurology, Tulane University School of Medicine, New Orleans, LA, USA
- Department of Structural and Cellular Biology, Tulane University School of Medicine, New Orleans, LA, USA
- Department of Surgery, Tulane University School of Medicine, New Orleans, LA, USA
- Department of Neurosurgery, Ochsner Medical Center, New Orleans, LA, USA
| | - Łukasz Olewnik
- Department of Anatomical Dissection and Donation, Medical University of Lodz, Lodz, Poland.
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Becciolini M, Pivec C, Raspanti A, Riegler G. Ultrasound of the Radial Nerve: A Pictorial Review. JOURNAL OF ULTRASOUND IN MEDICINE : OFFICIAL JOURNAL OF THE AMERICAN INSTITUTE OF ULTRASOUND IN MEDICINE 2021; 40:2751-2771. [PMID: 33629784 DOI: 10.1002/jum.15664] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2020] [Revised: 02/03/2021] [Accepted: 02/07/2021] [Indexed: 06/12/2023]
Abstract
This pictorial review focuses on the ultrasound (US) appearance of the normal and pathological radial nerve (RN) and its branches and provides tips with which to locate them and avoid misinterpretation of normal findings. A wide range of our pathological cases are reviewed and presented to help in familiarizing the reader with common and uncommon clinical scenarios that affect the RN and its main branches.
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Affiliation(s)
- Marco Becciolini
- Misericordia di Pistoia, Pistoia, Italy
- Scuola Siumb di Ecografia Muscolo-Scheletrica, Pisa, Italy
| | | | - Andrea Raspanti
- SOC Ortopedia e Traumatologia, Ospedale Santa Maria Annunziata, Azienda USL Toscana Centro, Florence, Italy
| | - Georg Riegler
- PUC - Private Ultrasound Center Graz, Lassnitzhoehe, Austria
- Department of Biomedical Imaging and Image-guided Therapy, Medical University Vienna, Vienna, Austria
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Tsujino S, Seki Y, Maehara M, Shirasawa S. Palsy of the posterior interosseous nerve treated by targeted ultrasound-guided perineural hydrodissection. J Ultrason 2021; 21:e357-e360. [PMID: 34970449 PMCID: PMC8678637 DOI: 10.15557/jou.2021.0059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Accepted: 09/21/2021] [Indexed: 11/28/2022] Open
Abstract
Perineural hydrodissection is a minimally invasive technique using an injection of fluid to dissect the perineural plane and tissue space. This report describes a case of palsy of the descending branch of the posterior interosseous nerve (PIN) which was recovered by targeted ultrasound-guided perineural hydrodissection. Ultrasonographic examination was performed, and multiple stenotic lesions interrupted by hyperechoic bands within the fascicles of the PIN were found. Using ultrasonography, perineural hydrodissection was performed four times every other week. Fifteen weeks after the first hydrodissection, there was no restriction in the patient’s thumb and fingers movement, and ultrasonography revealed that multiple stenotic lesions had improved. Today, surgical treatment is recommended for patients with complete nerve constriction. However, there is no standardized approach for patients with incomplete or without nerve constriction. Ultrasound-guided perineural hydrodissection is a noninvasive and easy method. This procedure could be a useful diagnostic and therapeutic modality for the management of the disease.
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Affiliation(s)
- Shohei Tsujino
- Department of Orthopedic Surgery, Suwa Central Hospital, Nagano, Japan
| | - Yasuhiro Seki
- Department of Orthopedic Surgery, Suwa Central Hospital, Nagano, Japan
| | - Manabu Maehara
- Department of Rehabilitation Medicine, Suwa Central Hospital, Nagano, Japan
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Intractable lateral epicondilytis: A differential diagnosis algorithm for a correct clinical interpretation. APUNTS SPORTS MEDICINE 2021. [DOI: 10.1016/j.apunsm.2021.100353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Refai O, Elsherif ME, Khalifa AA. Posterior interosseous nerve entrapment by intramuscular lipoma arising from the supinator muscle - a case report. ROMANIAN JOURNAL OF ORTHOPAEDIC SURGERY AND TRAUMATOLOGY 2021; 4:24-29. [DOI: 10.2478/rojost-2021-0005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Abstract
Abstract
Background: Lipomas are benign, slow-growing tumors frequently subcutaneous and asymptomatic, intramuscular lipoma constituting a rare subtype. However, a lipoma occurring nearby the proximal radius may cause posterior interosseous nerve (PIN) entrapment.
Case presentation: We described an uncommon case of a 45-year-old-man with a history of progressive, painless proximal right (dominant) forearm swelling for 4 months associated with PIN entrapment syndrome, presenting as fingers extension weakness. Intramuscular lipoma was observed in the supinator muscle in the magnetic resonance imaging (MRI). Lipoma surgical excision and release of the PIN through proximal forearm direct anterior approach was performed.
Results: The histopathological examination confirmed the diagnosis of benign intramuscular lipoma. The follow-up of the patient showed full recovery within three months postoperatively.
Discussion: Intramuscular lipoma is rare; however, it could originate from supinator muscle in the forearm, presenting with vague pain and could lead to compression of nearby neurovascular structures such as the PIN. Clinical evaluation and imaging studies, especially MRI, are crucial for diagnosis. If neural compression is evident, surgical resection is mandatory.
Conclusion: Intramuscular lipoma entrapping PIN is rare and requires early clinical diagnosis confirmed by imaging and neurophysiological studies, surgical excision being the method of choice for optimum functional outcomes.
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Affiliation(s)
- Omar Refai
- Orthopaedic Department , Assiut University Hospital , Assiut , Egypt
| | | | - Ahmed A. Khalifa
- Orthopaedic Department , Qena Faculty of Medicine and University Hospital, South Valley University , Qena , Egypt
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Kesserwani H. The "Texas Longhorn" Syndrome: A Case of Posterior Interosseous Nerve Palsy With Noteworthy Observations. Cureus 2021; 13:e12760. [PMID: 33614353 PMCID: PMC7888684 DOI: 10.7759/cureus.12760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
The posterior interosseous nerve (PIN) is quite a fascinating nerve. It wraps around the radial neck akin to the fibular nerve wrapping around the fibular neck. It can be compressed by the arcade of Frohse in a fashion similar to median nerve entrapment by the carpal tunnel. Furthermore, it divides into a number of branches, a simulacrum of the cauda equina, as it emerges from the supinator muscle. It is also associated with space-occupying pathologies; lipomas, and ganglion cysts being among the most common. It also has other interesting anatomical properties, such as fascicular compartmentalization, explaining PIN paralysis with radial nerve injuries. Finally, PIN lesions can lead to partial paralysis of finger extensors leading to the "Texas longhorn" hand gesture. We seize upon a case of PIN entrapment by fibrous adhesions and the arcade of Frohse, and explore the functional anatomy of the PIN.
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Evaluation of the supinator muscle and deep branch of the radial nerve: impact on nerve compression. Surg Radiol Anat 2020; 42:927-933. [PMID: 32367465 DOI: 10.1007/s00276-020-02480-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Accepted: 04/23/2020] [Indexed: 10/24/2022]
Abstract
PURPOSE The aim of this study was to investigate the superficial head of supinator muscle (SM) and deep branch of the radial nerve (DBRN) course in SM to see whether the texture characteristics of the superficial head of SM might have a potential compressive effect on the nerve. MATERIALS AND METHODS Elbow and proximal forearm region of 20 preserved cadavers (n 40, 12 M, 8 F) were dissected in order to measure total and part of DBRN lengths between some reference points. The texture characteristics of both the proximal (where DBRN enters SM) and distal arcade (where DBRN exits SM) of the superficial head of SM were evaluated based on its structure's being muscular, musculotendinous, tendinous, or membranous. RESULTS The total length of DBRN between sexes without taking side (L/R) into consideration (P = 0.030) and left radiocapitellar joint (RCJ)-arcade of Frohse (AF) length between sexes (P = 0.050) were statistically significant. There was a gradual increase in caliber getting more flattened in every consecutive level which was statistically significant when every two consecutive levels were compared. When compared according to the texture type, there were also significant differences. CONCLUSIONS Flattening of DBRN in the supinator canal suggests a chronic compression on the nerve. Differences in the texture of the superficial head of the supinator might facilitate this compression. An understanding of the anatomy and nerve topography is of utmost importance in the accurate diagnosis and effective management of peripheral nerve compression.
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Morphology of the Posterior Interosseous Nerve with Regard to Entrapment Syndrome. Indian J Orthop 2020; 54:188-192. [PMID: 32952929 PMCID: PMC7474043 DOI: 10.1007/s43465-020-00084-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2020] [Accepted: 02/27/2020] [Indexed: 02/04/2023]
Abstract
BACKGROUND Posterior interosseous nerve (PIN) entrapment syndrome is a rare condition and is predisposed by anatomical factors such as narrow passages through fibrous arcades; whereas, the Arcade of Frohse (AF) is the most common entrapment point. The aim of this study was to evaluate the entrance and exit points of the PIN into the supinator in detail. MATERIALS AND METHODS One hundred unpaired upper extremities underwent dissection. The PIN's entrance and exit points from the supinator were depicted. The distances between the tip of the radial head (RH) and the AF and the exit point of the PIN from the supinator were measured. Further, it was checked if the borders of the AF and the exit point were muscular, tendinous or a combination of these. RESULTS The interval between the PIN's entry into the supinator and the tip of the RH was at a mean of 28.9 mm. Concerning the border of the AF, in 54 cases a muscular and in 46 specimens a tendinous version could be observed. The interval between the exit point of the PIN and the tip of the RH proved to be at a mean of 64.2 mm. Further, the exit's border was muscular in 65 specimens and tendinous in 35 cases. CONCLUSION During surgical treatment of the PIN syndrome, it needs to be kept in mind that approximately one-third of all patients might also suffer from entrapment at the exit point of the PIN.
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