[Hypernephroma as second neoplasm simultaneous in a patient whith larynx carcinoma].

The presence of two or more different histologic types of neoplasms in patients treated for head and neck cancer is well known. It is provided the clinical case of a woman of 48 years old who developed two primary tumors, a squamous carcinoma of larynx and a clear cell carcinoma of kidney (hypernephroma). The diagnosis of second primary tumor was a casual find when an abdominal TC was being carried out. The more frequent association of a head and neck cancer is with a malignant tumors of lung, being unusual the malignant tumors of kidney association.