Case of the Week: April 19-April 26, 2012

8 year old with fever

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Case Details

Rounded opacity in the superior segment of the right lower lobe

Answer

Diagnosis: Round Pneumonia

Round pneumonia are usually seen in children under 8 years of age as collateral pathways of Channels of Lambert and Pores of Kohn are not well developed.

Cases are rarely reported  in older children and adults.
Etiology: Streptococcal pneumonia
Location: Most common in lower lobes and most common in superior segment of lower lobes and  no peripheral or central predisposition.
Reported size varies between 1-7 cm.
Differential Diagnosis:
Bronchogenic cyst
Neuroblastoma
CPAM-congenital pulmonary airway malformation
Pulmonary sequestration
Take Home Message: Treat with antibiotics and follow up chest x-ray to exclude underlying mass
 

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