The Scratch Collapse Test Supported the Diagnosis and Showed Successful Treatment of Tarsal Tunnel Syndrome

Turan,

doi:10.4021/jmc1453w

Cited by 2 publications

(3 citation statements)

References 5 publications

(5 reference statements)

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“…Key for Figure 1B: 8. trigger sites for migraine surgery 21 ; 9. cervical radiculopathy 22 ; 10. thoracic outlet syndrome 23 ; 11. anterior cutaneous nerve entrapment syndrome 24 ; 12. Meralgia paresthetica/lateral femoral cutaneous nerve 25 ; 13. common peroneal nerve compression 6 ; 14. tarsal tunnel syndrome 26 Faszholz and Cheng • Systematic Review of the SCT ranging from seconds to tens of minutes in tissues and blood and extends up to hours in plasma. 41 Given that SP's presence in tissues and plasma exceeds the momentary duration of the SCT, it seems less plausible as a mechanism of triggering transient loss of voluntary muscle activation and establishes the CSP as the stronger hypothesis.…”

Section: Discussionmentioning

confidence: 99%

“…Common peroneal nerve compression 6 ; 14. Tarsal tunnel syndrome 26 ; 15. Piriformis syndrome 27 ; 16.…”

Section: Introductionmentioning

confidence: 99%

mentioning

confidence: 99%

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Updates to the Physiologic Mechanism, Anatomical Sites, and Diagnostic Utility of the Scratch Collapse Test: A Systematic Review

Faszholz,

Cheng

2024

Plastic and Reconstructive Surgery - Global Open

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Background: The scratch collapse test (SCT) has gained popularity as a physical examination technique for diagnosing compression neuropathy. This systematic review aims to assess the reliability of the SCT as a diagnostic tool for compression neuropathy, as well as to propose the underlying physiological mechanisms involved. Specific criteria was developed to broaden the potential anatomical applications of the SCT. Methods: A literature search was conducted using PubMed, Embase, Scopus, and Google Scholar. Eleven articles meeting predefined inclusion/exclusion criteria were selected for numerical analysis, which yielded sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV), and accuracy values. Results: In total, 890 patients with carpal tunnel syndrome were reported in 10 studies. The mean (±SD) sensitivity, specificity, PPV, NPV, and accuracy were 0.442 ± 0.272, 0.788 ± 0.163, 0.834 ± 0.143, 0.433 ± 0.297, and 48.8% (range, 31%–82%), respectively. Of the studies that provided interrater reliability (κ), the mean was 0.544 ± 0.441, indicating moderate agreement. A total of 121 patients with cubital tunnel syndrome were reported in three studies, with a mean (±SD) sensitivity and specificity of 0.635 ± 0.367 and 0.945 ± 0.06, respectively. Twenty-four patients with peroneal nerve compression, reported in one study, had sensitivity, specificity, PPV, NPV, and accuracy of 0.77, 0.99, 0.95, 0.92, and 93%, respectively. Conclusions: Current literature indicates that the SCT can serve as a provocative test to assist in diagnosing compression neuropathy. Nevertheless, the heterogeneity of reported values underscores the necessity for further investigation aimed at enhancing the objectivity of SCT, thus improving interrater reliability and minimizing potential bias.

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Section: Discussionmentioning

confidence: 99%

“…Common peroneal nerve compression 6 ; 14. Tarsal tunnel syndrome 26 ; 15. Piriformis syndrome 27 ; 16.…”

Section: Introductionmentioning

confidence: 99%

mentioning

confidence: 99%

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Updates to the Physiologic Mechanism, Anatomical Sites, and Diagnostic Utility of the Scratch Collapse Test: A Systematic Review

Faszholz,

Cheng

2024

Plastic and Reconstructive Surgery - Global Open

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A positive scratch collapse test in anterior cutaneous nerve entrapment syndrome indicates its neuropathic character

Jacobs,

ten Have,

Schaap

et al. 2024

Scandinavian Journal of Pain

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Objectives Chronic abdominal pain is occasionally caused by an abdominal wall entity such as anterior cutaneous nerve entrapment syndrome (ACNES). This syndrome is thought to occur due to intercostal nerve branches (T7–12) that are entrapped in the rectus abdominis muscles. The diagnosis is largely based on subjective clues in patient history and physical examination. A test referred to as the scratch collapse test (SCT) is used as an additional diagnostic tool in peripheral nerve entrapment syndromes such as the carpal tunnel syndrome. The aim of the present study is to investigate whether an SCT was positive in patients with suspected ACNES. If so, this finding may support its hypothesized neuropathic character. Methods A prospective, case–control study was performed among patients with ACNES (n = 20) and two control groups without ACNES (acute intra-abdominal pathology n = 20; healthy n = 20), all were consecutively included. ACNES was diagnosed based on previously published criteria. The SCT test was executed at the painful abdominal area in both patient groups and at a corresponding area in healthy controls. Predictive values, sensitivity, and specificity were calculated. Videos of tests were evaluated by blinded observers. Results SCT was judged positive in 19 of 20 ACNES patients but not in any of the 40 controls. A 95% sensitivity (confidence interval [CI]: 75–99) and optimal specificity (100%; CI: 83–100) were calculated. Conclusions The positive SCT supports the hypothesis that ACNES is an entrapment neuropathy. A positive SCT should be considered a major diagnostic criterion for ACNES.

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The Scratch Collapse Test Supported the Diagnosis and Showed Successful Treatment of Tarsal Tunnel Syndrome

Abstract: We describe a case where the scratch collapse test was found positive for tarsal tunnel syndrome and negative after successful surgery in a female patient.

Cited by 2 publications

References 5 publications

Updates to the Physiologic Mechanism, Anatomical Sites, and Diagnostic Utility of the Scratch Collapse Test: A Systematic Review

Updates to the Physiologic Mechanism, Anatomical Sites, and Diagnostic Utility of the Scratch Collapse Test: A Systematic Review

A positive scratch collapse test in anterior cutaneous nerve entrapment syndrome indicates its neuropathic character

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