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A 56-year-old right-handed man is brought to the emergency room for new-onset aphasia. On exam, he cannot write, perform simple calculations, name his own fingers, and cannot distinguish with accuracy between his right and left sides. A lesion in which area can explain his symptoms?
Which of the following issues in early development has occurred in the photograph below?
A 6-month-old previously healthy male is seen in your clinic due to feeding difficulties and weakness for the past 8 days. The mother reports that he has also not had a bowel movement in 3 days. On physical exam, the patient demonstrates a weak cry, severe hypotonia, and hypo-responsiveness. No one else in the family is sick, however, they have been eating homemade molasses for the past 4 weeks. This patient’s condition is caused by a toxin affecting which structure?
An 18-year-old male is brought to the clinic by his mother due to a 3-month history of personality changes. She states that during this time he has become increasingly rude and aggressive toward her. She also states that he was fired from his summer job last week after trying to steal from his boss. His father’s medical history is unknown. On examination, the patient has an ataxic gait and bradykinesia. His mental status exam shows impaired memory and language regression. Genetic testing of this patient would most likely show what?
A 3-day-old male infant is evaluated in the NICU for fever and focal seizures. He was born at 39 weeks gestation via uncomplicated vaginal delivery and had good APGAR scores. Brain imaging shows periventricular calcifications and severe ventriculomegaly. Auditory testing also demonstrates bilateral hearing impairment. What is the most likely cause of the patient’s symptoms?
Which of the following vessels that supply the thalamus originates from the P2 segment of the posterior cerebral artery and supplies the medial geniculate nucleus?
A pediatric neurology consult was placed for a 5-day-old, full-term newborn with macrocephaly. When formally measured his head circumference was 46 cm. A tense fontanelle was appreciated on examination. A bedside ultrasound was performed and the only abnormality appreciated was significant hydrocephalus. What is the most likely etiology of the patient’s symptoms?
A 49-year-old woman with recurrent episodes of vertigo and has an MRI brain performed at the request of her neurologist. Imaging reveals a well-circumscribed dural-based homogenous contrast-enhancing lesion. What is the most likely etiology of the lesion outlined above?
What is the mechanism of action of abciximab?