Hamartoma of the Lung Hamartoma is composed of tissues normally found in the location of origin but in abnormal quantity, mixture or arrangement Incidence • 0.25% in population • 8% of all solitary pulmonary nodules • Most common benign lung tumor • 5th and 6th decade peak • Male to female ratio of 3:1 Clinical • Mostly asymptomatic • Cough • Fever (with postobstructive pneumonia) • Hemoptysis (rare) Location • 2/3 are peripheral • Endobronchial in 10% • Rarely multiple Findings • Round, smooth mass - increase in size slowly • Calcification in 15% - pathognomonic if popcorn type • Fat in 50% - detected by CT • Calcium and fat in only 20% Hamartoma of the right lung seen on CT contains both calcification and fat • Cavitation extremely rare DDX • Some other causes of a solitary pulmonary nodule • Bronchial adenoma • Bronchogenic carcinoma • Granuloma • Lipoid pneumonia (both contain fat but lipid pneumonia is less well-circumscribed and usually does not contain calcification) • Solitary metastasis • Arteriovenous malformation • Necrobiotic nodule from- Ankit j patidar b. integrative medicine deparment of radeology... mit college of medicine...(central india). -Ankit J Patidar
Posted on: Wed, 25 Sep 2013 03:16:08 +0000
Trending Topics
Recently Viewed Topics
© 2015