[Isolated sarcoidosis of upper respiratory tract--a description of 2 cases].

Sarcoidosis is a granulomatous disease of unknown etiology. In sarcoidosis almost all organs can be involved but the disease most often affects the lungs and intrathoracic lymph nodes. Isolated extrapulmonary organs involvement occurs very seldom.

[Calcification of the auricular cartilages--case report].

Calcification of the auricular cartilages is a very rare disease. Its etiology remains unclear. It may be caused by trauma of cartilage, for example during acupuncture.

[Nasal provocation tests with house dust mite in patients with perennial rhinitis].

Unlabelled: The aim of this study was to evaluate a response of the upper airways mucosae to allergens house dust mite: Dermatophagoides farinae and Dermatophagoides pteronyssinus. Compared were results of nasal challenge with results of skin prick tests. 87 patients with perennial rhinitis allergic to Dermatophagoides farinae and/or Dermatophagoides pteronyssinus were included.

[Rhabdomyosarcoma of parotid gland in 4 years old boy].

The author described the case of parotid gland rhabdomyosarcoma in 4 years old boy. As there was no parents agreement to initial, radical surgical treatment, the patient underwent chemo- and radiotherapy, after which temporary remission of the disease was observed. The surgical treatment was performed for local recurrence, but despite radical parotidectomy, which was done, the progression of disease was occurred (with local recurrence and bone metastases).