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A clinical epidemiological study on congenital ear malformation (CEM).

Acta Otolaryngol

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Senior Department of Otolaryngology-Head and Neck Surgery, The Sixth Medical Center of PLA General Hospital, Beijing, China.

Background: There is no report about the definition, classification and clinical epidemiological study of congenital ear malformation (CEM). To investigate the definition, clinical classification and distribution of a large number of CEM cases, along with the clinical and epidemiological characteristics associated with congenital malformation of the middle and outer ear (CMMOE).

Material And Methods: A total of 3231 cases (4714 ears) with CEM and related malformations were retrospectively analyzed, including 2,658 cases (4,064 ears) CEM and 573 cases (650 ears) preauricular fistulas and accessory ears, specifically related malformations to CEM.

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Risk factors for occurrence and progression of external auditory canal cholesteatoma.

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April 2024

Department of Otolaryngology, Deafness and Middle Ear Surgicenter Tokyo Kita Medical Center, 4-17-56, Akabanedai, Kita-ku, Tokyo 115-0053, Japan; Department of Otolaryngology Head and Neck Surgery, Jichi Medical University Saitama Medical Center 1-847, Amanuma-cho, Omiya 330-0834, Japan.

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Department of Otolaryngology-Head and Neck Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, China; Department of Otolaryngology Head and Neck Surgery & Center of Sleep Medicine, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Yishan Road 600, 200233 Shanghai, China; Otolaryngological Institute of Shanghai Jiao Tong University, Yishan Road 600, 200233 Shanghai, China; Shanghai Key Lab Sleep Disordered Breathing, Yishan Road 600, 200233 Shanghai, China. Electronic address:

Objective: The objective of this study was to evaluate graft outcomes and complications of endoscopic perichondrium-cartilage H type technique for repairing chronic kidney-shaped perforation with 3 years of follow-up.

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Background: Angiomyolipoma (AML) is a common, chronic disease usually localized in kidney and liver organs; but occurring frequently outside the kidney or liver.

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