Michael P. D'Alessandro, M.D.
Peer Review Status: Internally Peer Reviewed
At the age of two years this male patient had a cough and fever. A chest film taken at that time to rule out pneumonia (not provided) showed infiltrate and a right mediastinal fullness which was felt to represent thymus. The patient now presents at the age of six again with cough and fever.
Clinical Physical Exam:
Clinical Differential Diagnosis:
A chest film showed a mediastinal mass. A barium swallow (not provided) showed minor displacement of the esophagus to the left. A chest CT exam showed the mass to be in the posterior mediastinum and to be of fatty density.
Images 1 and 2
Imaging Differential Diagnosis:
The patient underwent elective removal of the mass.
Pathological examination showed the mass to consist mainly of mature lipocytes, as there were a few lipoblasts and little fibrous tissue.
Lipoma, Posterior Mediastinal
Follow-up and Prognosis:
The patient had an uncomplicated post-operative course.
Case 32, Case 35, Case 36, Case 42, Case 70
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