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A 54-year-old man was admitted to the hospital because of a mass in the right thigh and a radiographic density in a lung.
The patient had been well until three months earlier, when he observed painless swelling of the right thigh, which enlarged progressively. Nine weeks before entry an ultrasonographic examination was reported to show a hypoechoic soft-tissue mass, 5.2 by 3.2 by 1.8 cm, in the thigh. Microscopical examination of a biopsy specimen of the mass was said to reveal fibrous tissue, inflammation, and granulation tissue. One month before admission the mass was larger, with swelling of the anterolateral
Differential Diagnosis
Clinical Diagnosis
Dr. James O. Johnston's Diagnosis
Pathological Discussion
Anatomical Diagnosis
References
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