Bosniak Type 2f Kidney Cyst. It has been more than 30 years since the bosniak classification of cystic renal masses was first proposed this ct based classification was introduced in 1986 and originally divided cystic renal masses into one of four classes after exclusion of infectious inflammatory and vascular etiologies since then refinements have reduced the number of benign masses in bosniak class. However some are cancerous or are suspicious for cancer and are commonly removed in a surgical procedure called nephrectomy.
Bosniak 1 bosniak 2 bosniak 3 and bosniak 4. It is helpful in predicting a risk of malignancy and suggesting either follow up or treatment. A radiology database was retrospectively searched from january 1 1996 through may 1 2011 for all contrast agent enhanced computed tomographic ct or magnetic resonance mr examinations in which the terms renal or kidney and cyst cystic complex mass lesion indeterminate or bosniak.
It has been widely recognized and used by various radiologists and urologists based on general agreement between experts for a long.
It has been more than 30 years since the bosniak classification of cystic renal masses was first proposed this ct based classification was introduced in 1986 and originally divided cystic renal masses into one of four classes after exclusion of infectious inflammatory and vascular etiologies since then refinements have reduced the number of benign masses in bosniak class. Bosniak 2f type of kidney cysts is one category of the bosniak classification system of renal cystic masses. It has been more than 30 years since the bosniak classification of cystic renal masses was first proposed this ct based classification was introduced in 1986 and originally divided cystic renal masses into one of four classes after exclusion of infectious inflammatory and vascular etiologies since then refinements have reduced the number of benign masses in bosniak class. In the past renal cyst masses were either classified as simple cysts or complicated cysts.