KIDNEY: TUMOURS Flashcards
🩺 IOC for RENAL CYST
CECT
BOSNIAK CLASSIFICATION is used for
RENAL CYSTS
BOSNIAK CLASSIFICATION
Benign tumours of KIDNEY
- Angiomyolipoma
- Papillary Adenoma
- Oncocytoma
Angiomyolipoma is ASSOCIATED with
Tuberous SCLEROSIS
Tuberous SCLEROSIS
🧠⚡ ASH⚡
- Ashleaf spots
- Shagreen Patch
- Macules
Angiomyolipoma arises from
Perivascular epitheloid cells
🧑🏻⚕️ Clinical Features of ANGIOMYOLIPOMA
🧠⚡50-60 yrs⚡
- Asymptomatic
- Pain
- Massive RETROPERITONEAL Hemorrhage
- Lenk’s triad
Wunderlich Syndrome
⭐ ASSOCIATED with
Acute onset of spontaneous, nontraumatic renal hemorrhage into the subcapsular and perirenal spaces.
⭐ LENK’S TRIAD
Lenk’s TRIAD
🧠⚡MPS⚡
- Mass Flank
- Pain
- Shock (HYPOTENSION)
🩺 IOC of ANGIOMYOLIPOMA
CECT
⬇️
Shows: LOW DENSITY FAT
💊💉 MANAGEMENT of ANGIOMYOLIPOMA
⭐ < 4cm & Asymptomatic
⭐ Bleeding ➕
⭐ > 4cm & Symptomatic
⭐ < 4cm & Asymptomatic
🎯 OBSERVATION with SERIAL CT Scan
⭐ Bleeding ➕
🎯 Angioembolization ➡️ Partial NEPHRECTOMY
⭐ > 4cm & Symptomatic
🎯 PARTIAL NEPHRECTOMY
Renal Papillary Adenoma presents as
Yellow Plaques (CORTICAL)
Benign Tumour of KIDNEY with HIGH RISK OF SPONTANEOUS HEMORRHAGE
ANGIOMYOLIPOMA
⚡⚡ MOST COMMON BENIGN TUMOUR OF KIDNEY
Oncocytoma
Oncocytes are SEEN in:
- Parotid Gland
- Kidney
- Thyroid
Oncocytes specific to THYROID Gland is known as
Hurthle cell (OR) ASHKENAZY cells
Familial Form of ONCOCYTOMA
Birt Hogg Dube Syndrome
Birt Hogg Dube Syndrome is ASSOCIATED with which gene
⭐ BHD gene
⭐ Chromosome 17
Birt Hogg Dube Syndrome
🧠⚡CHIPs FAT⚡
- Cancers: GI, RCC Thyroid
- Hidradenoma
- Intestinal POLYPOSIS
- Fibrofolliculomas
- Acrocordons
- Trichodiscomas
KIDNEY:
7. ONCOCYTOMA
8. Chromphobe RCC
🩺 IOC for ONCOCYTOMA
⭐ FINDING
CECT
⬇️
Central STELLATE SCAR ➕
Central STELLATE SCAR is seen in
🧠⚡SOF CR⚡
- Serous Cystadenoma of Pancreas
- ONCOCYTOMA
- Focal NODULAR HYPERPLASIA of Liver
- Chromophobe RCC
Fibrolamellar variant of bcc
💊💉 MANAGEMENT of ONCOCYTOMA
Bosniak 3 ➕: Partial NEPHRECTOMY
Synonyms of RENAL CELL CARCINOMA
- Grawitz Tumour
- Hypernephroma
- Internist’s Tumour
- Renal ADENOCARCINOMA
⚒️ RISK FACTOR for RCC
🧠⚡PHOTo of C&D ⚡
- Petroleum Products / Protein intake ⬆️
- HYPERTENSION
- Obesity
- Tuberous Sclerosis / Thorotrast Exposure
- O: Diabetes mellitus
- Smoking
- CKD & DIALYSIS
⚡⚡ MOST Significant ⚒️ RISK FACTOR For RCC
Smoking
⚡⚡ MOST COMMON MODE OF INHERITENCE 💉 of RCC
SPORADIC
VARIENT of RCC
⚡⚡ MOST COMMON VARIENT of RCC
⚡⚡ 2nd MOST COMMON VARIENT of RCC
⚡⚡ MOST COMMON VARIENT of RCC
🎯 CLEAR CELL RCC
⚡⚡ 2nd MOST COMMON VARIENT of RCC
🎯 Papillary RCC
⚡⚡ MOST COMMON SYNDROME ASSOCIATED WITH FAMILIAL RCC
Von Hippel Lindau
🧬 MODE OF INHERITENCE 💉 of VHL
⭐ Chromosome
AD
⭐ TUMOUR SUPPRESSOR GENE
⭐ Chromosome 3
VHL gene encodes for
UBIQUITIN LIGASE COMPLEX
VHL is ASSOCIATED with which VARIENT of RCC
- Clear Cell RCC
- Hereditary Papillary RCC
Which Syndrome is ASSOCIATED with ⬆️ Risk of CHROMOPHOBE RCC
Birt Hogg Dube Syndrome
HLRCC
🧬 MODE OF INHERITENCE 💉
⭐ Gene mutation
Hereditary LEIOMYOMATOSIS & RCC
⭐ AD
⭐ FUMERATE HYDRATASE 4
Papillary RCC
➕
UTERINE LEIOMYOMATOSIS (Fibroid)
HLRCC
HPRCC
⭐ GENE
🧬 MODE OF INHERITENCE 💉
⭐ MET Proto-oncogene
⭐ AD
Other Mutations ASSOCIATED with RCC
- Loss of CHROMOSOME 4
- HYPOPLOIDY
- TRISOMY 7 & 17
VON HIPPEL LINDAU Syndrome
🧠⚡ VHL⚡
🧠⚡CAR PEEP⚡
⭐ VHL gene
⭐ Hemangioblastoma / HIF 1 alpha
⭐ Lots of CATECHOLAMINES: Pheochromocytoma
C-Cerebellar Hemangioma
A- Retinal Angioblastoma
R - Renal Cell Carcinoma
P-Pheochromocytoma
E - Epidydymal nodule and tumour
E-Endolymphatic sac tumour
P-Pancreatic endocrine tumour and cyst
Deletion of Chromosome 3p & 6p is ASSOCIATED with
Clear cell RCC
RCC ASSOCIATED with LONG TERM DIALYSIS
Micropapillary VARIENT of PAPILLARY RCC
Psammoma bodies are ASSOCIATED with which RCC
Papillary RCC