CONGENITAL DEFECTS CNS Flashcards
BANANA SIGN on ANTENATAL USG
🧠✨bANana sign ; ArN✨
Arnold Chari MALFORMATIONS
DUE TO: Absent Cisterna MAGNA
Development of CNS
🧠⚡To Do with Me Met My longata ⚡
LEMON SIGN on USG
Lemon shaped skull resulting from scalloping of frontal bones
NTD
Markers for NTD
Alpha fetoprotein
⭐ Acetylcholine esterase
Mumps enter the CNS via
Choroid plexus ➡️ infect the ependymal cells
Development of CNS BEGINS AT
3rd week
Along with GASTRULATION
2 ° MESENCHYME aka
Neural Creast cells
4th Germ Layer
Folic acid Supplementation
Normal mother
Mother with previous H/O NTD child
⭐ 400 micro grams daily
⭐ 4000 micro grams daily
⚡⚡ MOST SPECIFIC and BEST MARKER FOR NTD
Acetylcholinesterase
⚡⚡ MOST SENSITIVE MARKER FOR NTD
🧠⚡ T = t⚡
Alpha fetoprotein
Neural Tube Defects
In Leaking MENINGOMYELOCELE, BEST Test for Dx
CSF CULTURE
BLOOD CULTURE
⚡⚡ MOST SERIOUS TYPE OF CAUDAL NTD
Meningomyelocele
⚡⚡ MOST COMMON LOCATION OF MENINGOMYELOCELE
LUMBO SACRAL Region
🧬 MODE OF INHERITENCE 💉 of NTD
Multi factorial