Anti-SRP antibody is useful for discriminating PM from MD among patients with myopathies.

Inasmuch as these infants had LGB similar to allergic proctocolitis without any allergic reactions, we suggest that infiltrated eosinophils in the colonic mucosa could be involved in the pathogenesis of LGB in early infancy.

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Persistent foramen tympanicum (Huschke) is an anatomical variation located in the anteroinferior portion of the external auditory canal. We present a case of symptomatic temporomandibular joint (TMJ) herniation into the external auditory canal though an enlarged osseous defect. The herniated retrodiscal TMJ tissue moved backward when the patient's mouth was closed, and forward, when opened. Magnetic resonance imaging findings were useful for differentiating TMJ herniation from salivary fistula caused by an ectopic salivary gland.