need help with your account or subscription? click here to email us (or see the contact page)
join telegramNEW! discord
jump to exam page:
search for anything ⋅ score predictor (โ€œpredict me!โ€)

Retired NBME 21 Answers

nbme21/Block 2/Question#44 (reveal difficulty score)
A 75-year-old man has the sudden onset of ...
Parietal lobe, left ๐Ÿ” / ๐Ÿ“บ / ๐ŸŒณ / ๐Ÿ“–
tags:

 Login (or register) to see more


 +5  upvote downvote
submitted by โˆ—meryen13(48)
get full access to all contentpick a username

heres how I remember this: Temporal lesions are on Top, so parietal lesions are below. and always remember the visual field and the side of lesion are the opposite sides.

get full access to all contentpick a username



 +3  upvote downvote
submitted by โˆ—hayayah(1212)
get full access to all contentpick a username

lower quadrantanopia: parietal lesion

vs upper quadrantanopia = temporal lesion

get full access to all contentpick a username
mcl  also, to differentiate whether it is the left or right parietal lobe, recall that stimuli from the left visual field hits the nasal side of the left retina and the temporal side of the right retina, then goes to the right side of the brain. [This figure](https://operativeneurosurgery.com/lib/exe/fetch.php?w=600&tok=856a37&media=optictract.jpg) is helpful. +9
d_holles  So you're saying that there's two crosses, making it ipsilateral? @mci +



 +3  upvote downvote
submitted by โˆ—h0odtime(54)
get full access to all contentpick a username
  • R Lower quadrantanopia = C/L Parietal Lesion/MCA via Dorsal optic radiation.

  • If top quarter was gone, then it would be C/L temporal lesion via meyer loop.

get full access to all contentpick a username
drzed  the dorsal optic radiation is also known as "baum's loop" +1
icedcoffeeislyfe  FA2020 pg 542 +1



 +2  upvote downvote
submitted by โˆ—kevin(52)
get full access to all contentpick a username

Double Flip โ€” If R. Lower quadrantanopia --> L. Upper (Parietal) lesion.

Just remember Double Flip

get full access to all contentpick a username



Must-See Comments from nbme21

nosancuck on Absorption atelectasis
assoplasty on Free T4
seagull on GM2
lnsetick on Apocrine
niboonsh on NMDA receptors are blocked by Mg2+ at the ...
drdoom on Deletion of a hydrophobic amino acid ...
hayayah on HCO3โˆ’ transported in the plasma
mcl on Aortic
notadoctor on Usual interstitial pneumonitis
madojo on Genital herpes
hungrybox on Obstruction of the bile duct
jambo2222 on Lung
hungrybox on Mismatch repair
hungrybox on Hydrochlorothiazide

search for anything NEW!