Background: Recurrent pneumonia is a challenge for pediatric pulmonologists. There are limited data on the underlying causes of recurrent in children developing countries.
 Aim: To identify with undiagnosed etiology.
 Patients and Methods: The study was conducted Pulmonology Units, Pediatric Departments Tanta Ain-Shams Universities Hospitals from 2017 to 2019. Fifty-six cases diagnosi...

An 85-year-old man had a 4-year history of recurrent pneumonia with a persistent pleural effusion. He underwent repeated bronchoscopy that revealed a right bronchus intermedius mass, but bronchial washes and biopsies remained nondiagnostic. A repeat bronchoscopy was performed, and a Wang needle aspiration of the mass was obtained that showed sulfur granules, diagnosing actinomycosis. The patien...

Pulmonary sequestration is a rare congenital malformation that is uncommonly diagnosed during adulthood. Pulmonary sequestrations can manifest with variable presentations. It can remain asymptomatic or present with more severe symptoms such as hemoptysis and recurrent pneumonia. Diagnosis can be confirmed with computed tomography angiogram or angiography. Treatment with embolization of the affe...

Pneumonia, or inflammation of the lungs parenchyma associated with consolidation of alveolar spaces, is a substantial cause of morbidity and mortality in childhood particularly among children below 5 years of age. It is one of the common causes of admission to the paediatric ward. The aim of this article is to provide a guide to a systemic approach for diagnosis and treatment of children with r...

A woman with asthma developed chronic necrotising semi-invasive pneumonia due to mixed Aspergillus niger and Candida albicans infection; though not severely immunosuppressed, she may have been predisposed by long term oral corticosteroid and recurrent oral antibiotic treatment. The diagnosis should be considered in patients with chronic airflow limitation who develop cavitating pneumonia.