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首页> 外文期刊>Journal of Clinical and Diagnostic Research >Malignant Melanoma of the External Auditory Canal
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Malignant Melanoma of the External Auditory Canal

机译：外耳道恶性黑色素瘤

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Primary malignant melanoma of the external auditory canal is rarely reported. Malignant melanoma of the ear is estimated to occur in 1-4% of all skin melanomas and about 7-20% of melanomas of the head and neck region. The pathophysiology of these tumours is different from other skin lesions because of their anatomical and functional characteristics. The case presented is of a 11 year old female child with malignant melanoma of the external auditory canal confined to the right side, who initially presented with right ear pain, bleeding, post auricular swelling and also a mass in the external auditory canal which was thought to be an aural polyp in the right ear. Excision of the tumour was accomplished by a radical mastoidectomy. It was confirmed to be malignant melanoma after histopathological examination and Immunohistochemistry. Despite all efforts, the patient succumbed to the disease after receiving three cycles of chemotherapy. Even though this malignancy is rarely found in the external auditory canal, it should be expanded into the differential diagnosis of an aural polyp and a post aural abscess. The incidence, symptoms, investigations, treatment and prognosis of malignant melanoma of the external auditory canal is discussed in this article.
机译：很少有外耳道原发性恶性黑色素瘤的报道。据估计，耳部恶性黑色素瘤发生在所有皮肤黑色素瘤中的1-4％，在头颈部区域的黑色素瘤中约占7-20％。这些肿瘤的病理生理因其解剖学和功能特征而不同于其他皮肤病变。病例为11岁女婴，其外听道恶性黑色素瘤局限于右侧，最初表现为右耳疼痛，出血，耳后肿胀，并认为外耳道有肿块成为右耳的耳息肉。根治性乳突切除术可以切除肿瘤。经组织病理学检查和免疫组织化学证实为恶性黑色素瘤。尽管付出了所有努力，该患者在接受了三个化疗周期后仍死于该病。即使在外耳道中很少发现这种恶性肿瘤，也应将其扩大到对耳息肉和耳后脓肿的鉴别诊断。本文讨论了外耳道恶性黑色素瘤的发病率，症状，研究，治疗和预后。

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