Osteosarcomas are malignant bone forming tumours and the second most common primary bone tumour after multiple myeloma. They account for ~ 20% of all primary bone tumours. Osteosarcomas can be divided into a number of sub types according to degree of differentiation, location within the bone, and histological variants. Read more: http://radiopaedia.org/articles/osteosarcoma
The textbook 'tri-phasic' appearance is not always present which can pose a diagnostic dilemma. As a pathologists, we are seeing more core biopsies taken to try and identify the tumour type. On histology the typical three components (vessels, smo.
Gross pathology of a carotid body tumour. Gross section of CBP resected from an adult patient with a familial history of similar tumors. Grooves on either side represent impressions left by internal and external carotid artery branches.
A Krukenberg tumour (also referred to as a carcinoma mucocellulare) refers to a type of metastatic tumour to the ovary.The colon and stomach are the most common primary tumour to result in ovarian metastases, followed by the breast, lung, and contralateral ovary. Read more: http://radiopaedia.org/articles/krukenberg-tumour-1
Renal artery aneurysms (RAA)'s are considered the second most common visceral aneurysm (15-22 %), most common being splenic artery aneurysm (60%). It is more common in females. Most of the lesions are saccular and tend to occur at the bifurcation of main renal artery. Contrast filled outpouching / mass lesion in the region or course of renal artery. Read more: http://radiopaedia.org/articles/renal-artery-aneurysm