Renal Cell Carcinoma Flashcards
What limitation does an MRI have when investigating kidney tumours?
It can not be used to evaluate the chest. CT is needed for that.
What are the most common types of kidney tumours?
Renal cell carcinoma ~90%
Oncocytoma ~5%
Angiomyolipoma ~2-3%
What types of renal cell carcinomas are they and how common are they?
Clear cell 85%
Papillary 10%
Chromophobe 5%
Should you perform a biopsy before deciding on active surveillance of a small renal mass?
No
How often is an oncocytoma mis-diagnosed when a biopsy is performed?
In 35,4% of the cases
How do you differentiate between an onocytoma and RCC?
Imaging characteristicts are unreliable
Biopsy only gives the right diagnosis in 64,6% of the cases
= there is no reliable way
At what size can you consider intervention of an angiomyolipoma?
> 4 cm though the evidence is weak
Bosniak I
Simple cyst
Bosniak II
Mildly complex benign cyst
Bosniak IIF
Moderately complex cyst
Follow-up som are malignant
Bosniak III
Indeterminate complex cyst
Over 50% are malignant
Surgery or active surveillance
Bosniak IV
Complex cystic mass
most are malignant
How many partial nefrektomies do you have to perform a year for good results (hospital volume)?
35-40 cases
18-20 in robot
When resecting a kidney tumour, which tumours do you have to clamp arteries and veins both?
Centrally located tumours
In what ways are Ablative therapies better than partial nephrectomies?
Less decline of renal function over 6-months
Less decline of renal function at long term follow up