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==Prostate case: 04==

Workshop:
ASTRO Annual Refresher Course March 25-26 ,2026

Faculty:
Dr. Amar Kishan, MD

Case Description:
75 y.o male with Gleason 9 prostate cancer (iPSA 10.0, cT1c, bGS 4+5=9 in 3/12 cores). He has a history of TURP 20 years ago.
 
Homework:
CTV_40ProsProxSV on Slices 165, 179, 181
Urethra on Slices 165, 179, 181
GTV40R on Slices 173, 174, 175

Disabled Contours: All contours disabled
Enabled Contours: None

Resource Files:
- Vignette
- EduCase Training Video: How to contour, complete the homework, and save/submit
- EduCase User Guide

Uploaded: 02/14/26 05:56 ASTRO
Viewed: 21 times
Emailed: 0 times
Total Slices: 288
Dose: No
Doctor's Name: Dr. Amar Kishan
Disease Site: Genitourinary
Server locations: US, Frankfurt, Singapore
==Bladder case: 03== Definitive radiotherapy for bladder cancer

Workshop:
ASTRO Annual Refresher Course March 25-26 ,2026

Faculty:
Dr. Amar Kishan, MD

Case Description:
74 y.o. male former smoker with a history of nephrolithiasis, CAD s/p stent placement and morbid obesity presenting with T2 MIBC, s/p TURBT with visually complete resection on followup cystoscopy
 
Homework:
Bladder on Slices 131, 139, 142
PTV_55 on Slices 131, 139, 142

Disabled Contours: All contours disabled
Enabled Contours: None

Resource Files:
- Vignette
- EduCase Training Video: How to contour, complete the homework, and save/submit
- EduCase User Guide

Uploaded: 02/14/26 05:03 ASTRO
Viewed: 14 times
Emailed: 0 times
Total Slices: 188
Dose: No
Doctor's Name: Dr. Amar Kishan
Disease Site: Genitourinary
Server locations: US, Frankfurt, Singapore

Contoured Structures: Bladder, PTV 55, Body, Femur R, Rectum, Femur L, Bowel
==Prostate case: 02== Definitive radiotherapy for prostate cancer

Workshop:
ASTRO Annual Refresher Course March 25-26 ,2026

Faculty:
Dr. Amar Kishan, MD

Case Description:
66 y.o. male with very high-risk prostate cancer (iPSA 86.8, bGS 4+4=8, total of 9/10 cores and 3/3 targeted cores positive, grade group 4, cT1c, iT3b). Baseline prostate volume 67. Imaging with evidence of likely ECE and R SVI. No evidence of nodal or distant disease noted on PSMA PET/CT. Decipher 0.9.
 
Homework:
CTV_40PrsFullRSVPxLSV on Slices 186, 193, 210
CTV_25NodesDistLSV on Slices 136, 159, 177
GTV42 on Slices 184, 190, 195
Urethra on Slices 191, 202, 208

Disabled Contours: All contours disabled
Enabled Contours: None

Resource Files:
- Vignette
- EduCase Training Video: How to contour, complete the homework, and save/submit
- EduCase User Guide

Uploaded: 02/13/26 19:06 ASTRO
Viewed: 11 times
Emailed: 0 times
Total Slices: 358
Dose: No
Doctor's Name: Dr. Amar KIshan
Disease Site: Genitourinary
Server locations: US, Frankfurt, Singapore
==Prostate case: 01== Postoperative radiotherapy for prostate cancer

Workshop:
ASTRO Annual Refresher Course March 25-26 ,2026

Faculty:
Dr. Amar Kishan, MD

Case Description:
65 y.o. male with history of unfavorable intermediate-risk prostate cancer s/p RALP+PLND (iPSA 4.6, pGS 4+3=7, PNI+, EPE+, LVI-, SVI-, BNI-, neg margins, 0/13 LN, pT3aN0). Post-op PSA 0.04 that has progressively risen to 0.23. PSMA PET/CT without evidence of disease
 
Homework:
CTV_PBed on Slices 166, 170, 183, 185
PTV_62.5PBed on Slices 166, 170, 183, 185
PenileBulb on Slices 200, 203, 210

Disabled Contours: All contours disabled
Enabled Contours: None

Resource Files:
- Vignette
- EduCase Training Video: How to contour, complete the homework, and save/submit
- EduCase User Guide

Uploaded: 02/13/26 18:10 ASTRO
Viewed: 20 times
Emailed: 0 times
Total Slices: 285
Dose: No
Doctor's Name: Dr. Amar Kishan
Disease Site: Genitourinary
Server locations: US, Frankfurt, Singapore