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Answers on p 634.
A 51 year old man presented with a mass on the right side of his chest. There was no history of cough, haemoptysis, or breathlessness. He was treated for pulmonary tuberculosis. Bowel movements were regular and micturition was normal. On examination, a hard swelling 4 × 4 cm with ill defined margins was felt overlying the right interscapular region. The surface over the mass was smooth, cough impulse was absent, and the mass was non-pulsatile. Systemic examination was non-contributory.
Haematological investigations and ultrasonography of the abdomen were normal. A chest radiograph showed a soft tissue shadow and on computed tomography there was an erosive lesion over the fifth and sixth rib. Fine needle aspiration from the mass was suggestive of rib secondaries. The patient underwent thoracotomy and rib resection (fig 1).
What is the interpretation of the biopsy specimen?
What are the different types of rib tumours?
What is the mode of spread to the rib?