Evaluation of p16 expression in oral and oropharyngeal squamous cell carcinoma.

Introduction: Oral and oropharyngeal cancers together are the 6 most common cancers in the world and more than 90% are squamous cell carcinomas (OSCC, OPSCC). HPV is an important risk factor. p16 expression apart from indirectly assessing HPV infection, is an independent favorable prognostic marker.

Pulmonary nocardiosis: Report of two cases from a tertiary care hospital.

Pulmonary nocardiosis is an uncommon bacterial infection that may lead to severe disease in immunocompromised patients. The disease is rare in immunocompetent patients. Reported cases are few, and the literature is limited because disease recognition is difficult.

Cytological diagnosis of osteoblastoma of cervical spine: a case report with review of literature.

Osteoblastomas are rare benign but sometimes aggressive primary bone tumors (1%), usually seen in males in the 2nd decade. Osteoblastomas, occurring in the spine, constitute a medical emergency due to impending cord compression. Hence a rapid and simple diagnostic modality, such as fine-needle aspiration (FNA) plays an important role in clinical decision making.

Bilateral ovarian squamous cell carcinoma with an antecedent dermoid cyst in the left ovary.

Ovarian squamous cell carcinoma is a rare malignancy and its occurrence is commonly attributed to malignant transformation of a pre-existing mature cystic teratoma. The de novo occurrence of primary squamous cell carcinoma is extremely rare. Malignant transformation in a mature cystic teratoma is almost always unilateral; however, there have been isolated reports of an uncomplicated mature cystic teratoma in the contralateral ovary.

Cytological diagnosis of actinomycosis and eumycetoma: a report of two cases.

Mycetoma and actinomycosis are common in tropical countries and are increasingly diagnosed in other parts of the world due to rapid mobilization of the population. They are usually diagnosed on histopathology. There is very limited data on the role of fine-needle aspiration cytology (FNAC) in diagnosing these lesions.