Lymphoepithelioma-like carcinoma of the skin (LELCS) is a rare cutaneous neoplasm microscopically similar to undifferentiated nasopharyngeal carcinoma. It is typically nonaggressive and is treated with wide local excision. However, we present a case of a patient with a regional recurrence and more aggressive LELCS with perineural invasion and positive margins for which he was treated with wide local excision followed by chemoradiation. We discuss the use of chemoradiation for this patient and review the literature, specifically pertaining to treatment of more aggressive cases of LELCS.
Pediatric rhabdomyosarcoma is not exclusive to the head and neck. However, the unique anatomy of the head and neck requires special consideration and treatment modifications. The low incidence of these tumors has prevented the development of rigorous treatment protocols. Treatment strategies must be individualized on the basis of histopathologic subtype, prognostic indicators, tumor location, tumor extent, available clinical trial data, and hospital resources. The primary treatment of these tumors typically involves a combination of surgery, radiation, and chemotherapy. Advancements in surgical and radiotherapy techniques have reduced patient morbidity, whereas new chemotherapeutic protocols have improved local disease control and overall survival. Because of the infrequency and complexity of these tumors, patients may benefit from referral to centers with a comprehensive multidisciplinary team that has experience treating these tumors in the pediatric population. If possible, patients should be enrolled and treated on the current Children's Oncology Group protocol.
Salivary gland cancers are rare and represent approximately 5% of all head and neck cancers and only 0.3% of all malignancies. The majority (75%) of salivary gland tumors occur in the parotid gland, and while benign lesions are more common, mucoepidermoid carcinoma (MEC) makes up 40–50% of malignant parotid gland tumors. No randomized controlled trials exist regarding the role of adjuvant radiation for patients who undergo surgical resection of low-grade MECs. Herein, we report two cases of successful postoperative radiation therapy in low-grade, pT2N0 MEC of the parotid gland. The role of adjuvant radiation therapy for patients with MEC of the parotid gland is based on data from institution reviews and lacks data from randomized controlled trials. Per our review of the literature, the pathological findings of positive surgical margins and/or perineural invasion in two patients with low-grade MEC of the parotid gland warranted adjuvant radiation for improved local control after partial parotidectomy. Both patients tolerated postoperative radiation therapy with only mild side effects and, at last follow-up, five years after completion of therapy, had no clinical or radiographic evidence of either local recurrence or distant metastasis.
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