Primary Malignant Melanoma Limited to the External Auditory Canal: A Rare Presentation

D. Samal, C. Preetam, A. Sahoo
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Abstract

Abstract Malignant melanoma limited to the external auditory canal is very rare. These patients present relatively late as compared with melanoma involving other subsites of external ear. However, the tumor is slow-growing but shows aggressive behavior with a poor prognosis when presented late. We have a 44-year-old female who presented with a blackish lesion, which was bleeding on and off from her left ear. She was managed with wide local excision, preserving maximum part of external auditory canal cartilage. The histopathology of the lesion was suggestive of malignant melanoma. After a thorough evaluation, she was kept under close follow-up. Malignant melanoma of external auditory canal shows poor prognosis usually, mainly because of late presentation. Thus, early diagnosis is crucial, as in our case, where wide local excision was sufficing, and the patient is disease-free after 4 years of follow-up.
局限于外耳道的原发性恶性黑色素瘤:一种罕见的表现
摘要局限于外耳道的恶性黑色素瘤非常罕见。与涉及外耳其他亚位的黑色素瘤相比,这些患者出现相对较晚。然而,肿瘤生长缓慢,但表现出侵袭性行为,当发现较晚时预后较差。我们有一位44岁的女性她出现了一个黑色的病变,左耳断断续续地出血。行大面积局部切除,最大限度保留外耳道软骨。病变的组织病理学提示为恶性黑色素瘤。经过全面的评估后,她继续接受密切的随访。外耳道恶性黑色素瘤通常预后较差,主要原因是发病较晚。因此,早期诊断是至关重要的,就像我们的病例一样,大面积局部切除就足够了,患者在4年随访后无病。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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