BACKGROUND Malignant parotid tumors are rare metastases originating from nasopharyngeal carcinoma (NPC). This study aimed to investigate the clinicopathological features and outcome of patients with metastasis of NPC to parotid lymph nodes after surgical therapy. METHODS We enrolled 14 NPC patients who had metastatic disease to parotid lymph nodes after IMRT. They received surgical treatment ...

Bladder cancer (BCa) is the most vital urogenital malignant disease worldwide, bringing huge economic and social burden every year. Clinically, BCa is subdivided into superficial type and invasive type according to clinic-pathology, accompanied with different strategy of therapy. Number of reports indicate that 10-30% of superficial BCa will inevitable progress into invasive type, manifesting e...

OBJECTIVE To determine the presentation, pathologic features, treatment outcome, and prognosis of mucoepidermoid carcinoma of the parotid gland in children. DESIGN Retrospective clinical and histopathologic study with institutional review board approval. SETTING Tertiary pediatric medical center. PATIENTS Seven children (4 girls and 3 boys) presented with mucoepidermoid carcinoma of the p...

Introduction Superficial X-ray therapy is one of the most important treatment methods in radiotherapy especially in the treatment of superficial skin lesions (Up to 300 kVp). Quality of the X-ray beam that can be expressed by Half-Value Layer (HVL), are important indices for this type of treatment effective energy of photon and Homogeneity Coefficient (HC). Materials and Methods The HC of the s...