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    Intramuscular Cavernous Hemangioma of the Temporalis Muscle
    (Lippincott Williams & Wilkins, 2014) Eryilmaz, Mehmet Akif; Varsak, Yasin Kursad; Gul, Zuhal; Ugur, Aysenur
    Hemangiomas are frequent benign hereditary vascular tumors. Intramuscular hemangiomas, a distinctive type of hemangioma occurring within the skeletal muscle, account for less than 1% of all hemangiomas. They occur more often in the trunk and extremity muscles, whereas the involvement of the temporal muscle is extremely rare. A 34-year-old man with a mass in his left temporal fossa was admitted. Computed tomographic scan showed no erosion of the bone, and magnetic resonance imaging revealed an ovoid mass within the temporal muscle. The lesion was surgically excised, and histopathologic examination confirmed the diagnosis of cavernous hemangioma. The patient was not able to lift his left eyebrow right after the surgery. Two months after the surgery, the patient recovered from paralysis, and there was no recurrence of tumor 12 months after the surgery. We report the 27th cavernous hemangioma case of the temporalis muscle. Care must be taken to avoid possible stretch injury to facial nerve branches while resecting these tumors.
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    Second Primary Malignant Peripheral Nerve Sheath Tumor of the Paranasal Sinuses After Nasopharynx Carcinoma
    (Lippincott Williams & Wilkins, 2014) Eryilmaz, Mehmet Akif; Varsak, Yasin Kursad; Gul, Zuhal; Etli, Ozlem
    Malignant peripheral nerve sheath tumors are uncommon neoplasms that arise out of Schwann cells from the peripheral nerves, which rarely occur in the paranasal sinuses and nasal cavity. Especially with the increasing long-term survival of patients with nasopharynx carcinoma, second primary cancers can be diagnosed. Second primary cancers are not uncommon in patients with the prior radiation therapy. However, malignant peripheral nerve sheath tumor in the head and neck region after radiation is an exceedingly rare condition. We report the first case of malignant peripheral nerve sheath tumor of the paranasal sinuses as a second primary malignancy in a patient treated with radiation therapy for nasopharyngeal carcinoma 10 years ago.