penile cancer Flashcards
name 3 radical tx options for penile cancer
Partical penectomy - most common (surgery)
EBRT
Brachytherapy
role of surgery for penile cancer
partial penectomy is the removal of cancerous area on penis - only suitable if tumour of glans ones or foreskin and NOT an option if tumour invades shaft
role of EBRT for penile cancer
66Gy in 33# or 55Gy in 22#
used for early stage cancers and whole penis irradiated if the shaft is invaded
wax block used to stabilise and acts as bolus to bring dose superficially
role of brachytherapy for penile cancer
single or double impact at 60-65Gy in 6 -7# with lead shielding over testicles
tx delivered with penis upright in foam support, pt catheterised and receives GA
not an option if tumour >4cm or invaded crop cavernosa
palliative tx for penile cancer
4-6 cycles of cisplatin with 3 weeks between each cycle
give the 4 stages of penile cancer
stage I = tumour confined to glans penis or foreskin
Stage II = tumour invaded shaft
Stage III= tumour has operable inguinal LNs
Stage IV= has inoperable inguinal LNs
name 5 aetiological risk factors for penile cancer
uncircumcised men - inc. risk
poor penile hygiene
Previous STDs
HPV - 50% of cases
Phimosis - foreskin doesn’t move as too tight
name 3 tumour histologies for penile cancer
majority - squamous cell carcinoma
from bladder - transitional cell carcinoma
from prostate - adenocarcinoma
give example of local/lymphatic/blood spread
local - invade rest of penis
lymph - inguinal LNs
Blood - RARE