[Salivary cysts of the maxillary sinus. One case report].

Record of one case of chronic bilateral maxillary sinusitis operated following the classical procedure of Caldwell-Luc. The histopathological check up of the removed tissue showed a salivary gland ectopia. After perusal of the bibliography and not having find another similar case we are convinced of the exceptional of our instance.

[Surgery and radiotherapy in esthesioneuroblastoma of the nose, apropos of 2 cases].

The esthesioneuroblastoma is a rare tumor localized in nose and sinus with difficult diagnosis (aspect like undifferentiated carcinoma and lymphosarcoma) local malignant. We have 2 cases in our hospital whose treatment and evolution is good. We have revised the diagnosis and treatment in these diseases.

[Treatment of malignant otitis externa].

Though rare the malignant otitis externa must be borne in mind because in its precocious diagnosis is based the success of the management. Elderly people, diabetics and immunodepressed are especially exposed. The CAT is basic in order to detect the spreading of the process.

[Mucous nasosinus melanoma. Apropos of a case].

The mucous melanoma is a rare affection which has a very poor prognosis by its difficult diagnosis and unsatisfactory treatment. We have a patient with mucous melanoma nasal, which has been studied (clinic evolution, diagnosis and treatment) in our Hospital.