Primary neuroendocrine neoplasm of the esophagus - Report of 14 cases from a single institute and review of the literature.

Background:: Most prevalent esophageal neoplasm is squamous cell carcinoma and adenocarcinoma. Other tumors are uncommon and poorly studied. Primary neuroendocrine esophageal neoplasm is a rare carcinoma and most of its therapy management is based on lung neuroendocrine studies.

Adverse mucocutaneous reactions related to chemotherapeutic agents: part II.

Events and reactions involving chemotherapy are common in clinical oncology. Chemotherapeutic agents are widely used in therapy. Side effects range from the common to the rare and may be confused with other mucocutaneous manifestations resulting from the oncological treatment.

Molecular targets for therapeutic interventions in human papillomavirus-related cancers (review).

The infection by the human papillomavirus (HPV) is the origin of several cancers around the world. In some areas of Brazil, cervical carcinoma is still the cancer with the highest incidence among women. After epithelial cell transformation by HPV, several molecular events are observed, resulting in the malignant phenotype.

Adverse mucocutaneous reactions to chemotherapeutic agents: part I.

The local and systemic treatment of tumors can cause changes in the skin, mucous membranes, hair and nails. Accurate diagnosis and appropriate treatment of side effects require knowledge about the patterns of the most common adverse reactions to drugs the patient may be using. The dermatologist must be familiar with the manifestations of certain soft tissue neoplasms, as well as with the adverse mucocutaneous forms of cancer treatment.