[PRIMARY AND SECONDARY HYPERPARATHYROIDISM PRESENTING AS BROWN TUMOR].

Hyperparathyroidism (HPT) may lead to the formation of osteolytic lesions with giant granulomas. Giant cell lesions associated with HPT are known as brown tumor and represent an end stage complication of HPT. Brown tumors affect the mandible, clavicles, ribs and pelvis.

Valve obturation of the nasopharynx.

Complete obturation of the nasopharynx can cause functional problems with breathing and swallowing due to obstruction of the nasal airway. A technique is described whereby a one way valve was incorporated in an obturator to allow normal nasal inspiration whilst maintaining an oropharyngeal seal during swallowing and speech.