Chiari malformation - Study guides, Class notes & Summaries

Classification of spina bifida Most common NTD Can be located at any point along the spinal column 75% occur in the lumbar or lumbosacral area Usually encased in fine membrane May also be covered by dura, meninges, or skin Likely to have neurological impairment below the lesion; may have neurogenic bladder and/or bowel. Often occurs with Chiari II malformation (cerebellum pushes through foramen magnum) and hydrocephalus (enlarged ventricles, cerebrospinal fluid does not drain) Complicat...

If a brain exam is being performed and the request is made to rule out acoustic neuroma, a protocol with thin cuts through the _________ should be performed. CORRECT ANSWER Inner auditory canals The _____________ imaging plane would be the most optimal slice orientation for evaluation of Arnold Chiari Malformation and its inferior cerebellar tonsillar herniation. CORRECT ANSWER sagittal A FLAIR sequence with a long TI is utilized to: CORRECT ANSWER null the signal from CSF If a brain ex...

ARRT MRI exam 2024 with 100% correct answers If a brain exam is being performed and the request is made to rule out acoustic neuroma, a protocol with thin cuts through the _________ should be performed. - correct answer Inner auditory canals The _____________ imaging plane would be the most optimal slice orientation for evaluation of Arnold Chiari Malformation and its inferior cerebellar tonsillar herniation. - correct answer sagittal A FLAIR sequence with a long TI is utilized to: - correct an...

USMLE STEP 1 NEUROLOGY Questions and Answers with Complete Solutions 2024 The notochord induces what to differentiate into what? - ANSInduces overlying ECTODERM to differentiate into NEUROECTODERM and form NUERAL PLATE Neural plate then gives rise to? - ANSNeural tube and neural crest cells Notochord becomes what? - ANSNucleus pulposus of the intervertebral disks in adults Alar Plate - ANSDorsal [Sensory] Same orientation as spinal cord Basal Plate - ANSVentral [Motor] Same orientatio...

A 40 yr old female patient presents with nausea, vomiting and increasing ABD pain following a recent procedure. The patient has a history of a mass in the head of the pancreas and an ERCP was performed to evaluate the ductal involvement. The ERCP report states the ductal system at the head of the pancreas was within normal limits. Which of the following will most likely be identified on the US exam as a cause for the acute symptoms? - pneumobilia A 10 yr old presents for an ABD US with a pa...

C. Turner - correct answer Which syndrome is most frequently associated with cystic hygromas? A. Jeune B. Patau C. Turner D. Down C. Monochorionic - correct answer Twin-to-Twin transfusion syndrome is a manifestation of which type of pregnany? A. Dichorionic B. Hetertopic C. Monochorionic D. Ectopic D. Coronal - correct answer What is the best plane to assess the presence or absence of cleft lip? A. Transvers B. Axial C. Sagittal D. Coronal A. Holoprosencephaly - corr...

If a brain exam is being performed and the request is made to rule out acoustic neuroma, a protocol with thin cuts through the _________ should be performed. Inner auditory canals The _____________ imaging plane would be the most optimal slice orientation for evaluation of Arnold Chiari Malformation and its inferior cerebellar tonsillar herniation. sagittal A FLAIR sequence with a long TI is utilized to: null the signal from CSF If a brain exam is being perfomed and the r...

USMLE STEP 1 Neurology Exam Review 2023 The notochord induces what to differentiate into what? - Answer-Induces overlying ECTODERM to differentiate into NEUROECTODERM and form NUERAL PLATE Neural plate then gives rise to? - Answer-Neural tube and neural crest cells Notochord becomes what? - Answer-Nucleus pulposus of the intervertebral disks in adults Alar Plate - Answer-Dorsal [Sensory] Same orientation as spinal cord Basal Plate - Answer-Ventral [Motor] Same orientation as the spin...

Which of the following is true regarding scoliosis? a) most cases have a juvenile onset b) the 1st sign is a prominent scapula c) it is congenital in origin - CORRECT ANSWER most cases have a juvenile onset A 6 mof had a VP shunt placed today for hydrocephalus. The baby has become increasingly lethargic. As a PICU RN, you know that a) the shunt may be occluded b) its not unusual for babies w/ hydrocephalus to fatigue easily c) the shunt is functioning well d) it is the baby's usual nap...

often precedes squamous cell carcinoma - ANSWERS-actinic keratosis primary adrenocortical deficiency - ANSWERS-Addison's disease polyostotic fibrous dysplasia, precocious puberty, cafe-au-lait spots, short stature, young girls - diagnosis? - ANSWERS-Albright's syndrome hereditary nephritis with nerve deafness - ANSWERS-Alport's syndrome anti-basement membrane antibodies - diagnosis? - ANSWERS-Goodpasture's syndrome anticentromere antibodies - diagnosis? - ANSWERS-scleroderma (CREST)...