The Bosniak classification of renal cysts

The Bosniak renal cyst classification system was initially reported in 1986, using CT scan findings. Although other imaging modalities are frequently used in the evaluation of renal masses, such as ultrasound and magnetic resonance imaging (MRI), CT scan (with and without contrast enhancement), remains the primary diagnostic technique. Ultrasonography is helpful for simple cyst identification, […]
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Tarlov cysts

Tarlov cysts, also known as perineural cysts, are cerebrospinal fluid (CSF) filled sacs located in spinal canal of S1 to S4 region of vertebrae and can be distinguished from other meningeal cysts by nerve-fiber filled walls. Tarlov cysts are defined as cysts formed within the nerve root sheath at dorsal root ganglion. The cause of […]
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