Nasal cytology with emphasis on mast cells can improve the diagnosis and treatment of chronic rhinosinusitis.

Objective: Chronic rhinosinusitis (CRS) involves inflammation of the nasal and para-nasal mucosa. Due to its heterogeneous nature, unknown pathogenesis, and high recurrence rate, effective treatment is difficult. Nasal cytology is presently not a part of the routine diagnosis or treatment decision for CRS.

[Clinical features of hereditary angioedema: analysis of 133 cases].

Objective: To investigate the clinical characteristics of hereditary angioedema (HAE).

Methods: The clinical data of 133 cases with HAE from 40 unrelated families were analyzed retrospectively.

Results: Recurrent extremity swelling and/or facial and genital edema were reported in all patients (100%); 76.