Inclusion Body Myositis with Isolated Dysphagia: An Earlier-stage Diagnosis Using a Surgical Specimen from Cricopharyngeal Myotomy.

Kimihiko Kaneko, Rumiko Izumi, Naoki Suzuki, Jun Ohta, Ai Hirano-Kawamoto, Yukio Katori, Masashi Aoki

Abstract readCase Reports

In one paragraph

Article in Internal medicine (Tokyo, Japan), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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7 authors.

Kimihiko KanekoDepartment of Neurology, Tohoku University Hospital, Japan.

Rumiko IzumiDepartment of Neurology, Tohoku University Hospital, Japan.

Naoki SuzukiDepartment of Neurology, Tohoku University Hospital, Japan.

Jun OhtaDepartment of Otolaryngology-Head and Neck Surgery, Tohoku University Hospital, Japan.

Ai Hirano-KawamotoDepartment of Otolaryngology-Head and Neck Surgery, Tohoku University Hospital, Japan.

Yukio KatoriDepartment of Otolaryngology-Head and Neck Surgery, Tohoku University Hospital, Japan.

Masashi AokiDepartment of Neurology, Tohoku University Hospital, Japan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

A 76-year-old man was admitted to our hospital with progressive dysphagia. His physical and neurological examination results were normal, except for dysphagia. Videofluoroscopy of swallowing demonstrated a cricopharyngeal bar, a highly specific finding for inclusion body myositis (IBM). A cricopharyngeal muscle specimen was obtained during cricopharyngeal myotomy to improve his symptoms. Muscle histopathology successfully led to the diagnosis of IBM. Dysphagia can occasionally precede limb weakness in IBM, and an early histopathological diagnosis using limb muscles is challenging. In such cases, a histopathological evaluation via myotomy may be useful for making an early diagnosis and facilitating appropriate treatment.

Indexed as

Deglutition DisordersMyositis, Inclusion BodyMyotomyPharyngeal MusclesAgedEarly DiagnosisHumansMalecricopharyngeal bardysphagiainclusion body myositisvideo-fluoroscopic examination of swallowing

Identifiers

PMID41093559

DOI10.2169/internalmedicine.6284-25

PMCPMC13294551

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