Hemangiopericytoma of the gingiva - An exemplary differential of a masquerading tumor.

Periodontal diseases are unique as a small number lesions appearing as inflammatory in reality are neoplastic in nature, and it is imperative that an accurate diagnosis be rendered to provide the appropriate treatment and management. One of the most common clinical presentations of gingival lesions is pedunculated soft-tissue swellings. We report the case of a 63-year-old female who presented with a painless swelling on the interdental papilla of 23 and 24 with a history of recurrences.

Proliferating Cell Nuclear Antigen in Premalignancy and Oral Squamous Cell Carcinoma.

Introduction: Cancer has multifactorial aetiology and is a multistep process involving initiation, promotion and tumour progression. Cellular proliferation is one of the important indicators for the biologic aggressiveness of a malignant lesion. The dysregulated proliferation may be a significant change to determine the potential prognosis of various malignant tumours.

Primary oral non-Hodgkin's lymphoma - A clinicopathologic study with immunohistochemical analysis.

Context: Non-Hodgkin's lymphoma (NHL) is a group of highly diverse malignancies whose prognosis depends on the histologic type and associated factors like HIV positivity.

Aims: The aim of this study was to evaluate eight cases of NHL for their histologic type and HIV positivity, since both are major prognostic factors for NHL.

Settings And Design: Eight cases of primary NHL of the oral cavity were evaluated for age, sex, clinical presentation, and the histologic type, along with immunohistochemistry.