Primary malignant melanoma of the middle ear mucosa: a case report

Yıl 2006, Cilt: 16 Sayı: 2, 83 - 86, 20.03.2006

Özmen Öztürk Tekin Bağlam Cüneyt Üneri Sevgi Küllü

Öz

Primary involvement of the middle ear and mastoid mucosa by malignant melanoma MM has been rarely reported. We report an 81-year-old Caucasian woman presenting with otalgia, left-sided aural fullness, and hearing loss. Otoscopic examination revealed a purple coloured polyp that appeared to be vascular and occu- py left external auditory canal EAC . The computed tomography scanning showed a mass in soft tissue density, filling the tympanic and the mastoid cavities, eroding the mastoid cortex, and invading medial and Central parts of EAC. A biopsy was performed with the diagnosis of MM. The patient undervvent subtotal tem- poral bone resection with radical neck dissection.Dacarbazine was given postoperatively. The case pre- sented herein emphasizes the need to be aware that MMs can arise in the middle ear and mastoid cavity. An index of suspicion in the differential diagnosis of tem- poral bone tumours is necessary for early recognition.

Anahtar Kelimeler

Neoplasm, malignant melanoma, mucosa, temporal bone, dacarbazine

Orta kulak mukozasının primer malign melanomu: Olgu sunumu

Öz

Orta kulak ve mastoid kavite mukozasının malign melanoma bağlı primer tutulumu nadirdir. Sol ku- lakta ağrı, dolgunluk ve işitme kaybı yakınmalarıy- la başvuran 81 yaşındaki kadın hastanın otosko- pik muayenesinde mor renkli, vasküler görünüm- de kitlenin sol dış kulak yolunu tıkadığı görüldü. Bilgisayarlı tomografide yumuşak doku dansite- sindeki kitlenin orta kulak ve mastoid kaviteyi dol- durduğu, mastoid korteksi erode ederek dış kulak yolunun medial ve orta kısımlarını invaze ettiği görüldü. Kitleden alınan biyopsi sonucu malign melanom olarak bildirildi. Hastaya subtotal tempo- ral kemik rezeksiyonuna ek olarak radikal boyun diseksiyonu uygulandı ve ameliyat sonrası dö- nemde dakarbazin verildi. Temporal kemikten kaynaklanan tümörlerin ayırıcı tanısında malign melanomdan şüphelenmek erken tanıya olanak sağlamaktadır

Anahtar Kelimeler

Neoplazi, malign melanom, mukoza, temporal kemik, dakarbazin

Kaynakça

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