(aka Sclerosing Pneumocytoma)
Epidemiology
- Uncommon neoplasm
- Most common in middle-aged women
Physiology
- Benign lung neoplasm derived from pneumocytes or terminal bronchiolar cells
Pathology
- Solid cellular areas with papillary structures/ sclerotic regions/ dilated blood-filled spaces (resembling hemangioma)
Diagnosis
- CXR/Chest CT Pattern: presents as homogenous, well-defined solitary nodule <4 cm (occasionally, multiple)
- May grow slowly in some cases
Clinical
- Usually asymptomatic
- Lung Nodule (see [[Lung Nodule or Mass]])
Treatment
- Surgery: diagnosis usually made at exploratory thoracotomy
References
- xxx