Neuro Imaging Nibble: Subtle Sinus Venous Thrombosis by Brandon Foreman

1. Brandon Foreman, MD FACNS
NEUROIMAGING NIBBLE

2. 37 Y/O WOMAN 8 WEEKS PREGNANT
▶ Presented to ED with WHOL -> diagnosed with migraine and discharged
▶ Presented next day with ongoing HA -> LP neg for xanthochromia and
discharged

3. Photo credit: https://openi.nlm.nih.gov/imgs/512/390/3337512/PMC3337512_THROMB2012-210676.001.png; NIH.gov

4. NCHCT CTV: Empty Delta T1 SE

5. Cord Sign

6. 67 Y/O WOMAN WITH UC & NEW-
ONSET SEIZURES

14. SUMMARY
▶ Headache with risk factors (hormones, chronic inflammation/malignancy) +/-
seizures
▶ Dense sinuses
▶ Cortical (or bilateral) stroke/hemorrhage
▶ Does not adhere to a vascular territory
▶ Edema>hemorrhage
Case courtesy of Dr Maxime St-Amant, Radiopaedia.org. From the case: https://radiopaedia.org/cases/22398