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Neuro Notes

Oligosarcoma

Clinical History This 43-year-old patient presented with complaints of worsening right-sided weakness. Neuroimaging demonstrated a 1.8 x 1.5 x 1.5…

Neuro Notes

Eosinophilic granulomatosis with polyangiitis (EGPA; previously Churg-Strauss Syndrome)

Clinical History The patient is a 62-year-old woman with asthma, GERD, moderate alcohol intake, and hypertension who presents with 4…

Neuro Notes

Spinal muscular atrophy with 3 month old hypotonic patient

Clinical History Patient is a 3-month-old girl born at 37.5 week, and born hypotonic with minimal movements and some hand…


Neuro Notes

Nerve Vasculitis Neuroma – Part 2

Clinical History This post is a follow-up of our post from last week: https://www.arkanalabs.com/nerve-vasculitis-neuroma/ Last we we showed a 62-year-old…

Neuro Notes

Nerve Vasculitis Neuroma

Clinical History The patient is a 62-year-old man with sudden onset of progressive anesthesia and dysesthesia in hands & feet,…

Neuro Notes

Myxopapillary Ependymoma

Clinical History This 50-year old patient presented with a clinical history of chronic lower back pain. MRI demonstrated an intradural…


Neuro Notes

Lateral Upper Thigh Mass

Clinical History This 50-year-old patient presented with a chronic lateral upper thigh mass which appeared to arise from the tensor…

Neuro Notes

Neuromuscular Junction (NMJ)

Clinical History This 15-year-old patient presented with complaints of progressive muscle weakness. Muscle biopsy was performed. A few small intramuscular…

Neuro Notes

Amyopathic Dermatomyositis in Children

Clinical History A 12-year-old girl presents with a chief complaint of progressive fatigue, weakness, and dyspnea on exertion, which has…


mitotic figure
Neuro Notes

Mitoses in Neoplastic Cells

Are the mitotic figures in the images from this epithelioid skull base neoplasm normal or abnormal?   Answer: These are…

Neuro Notes

Adult Onset Pompe Disease/Acid Maltase Deficiency

Clinical History This patient presented with a several year history of muscle weakness. Muscle biopsy and genetic testing were performed.…

Neuro Notes

Myopathy with Polyglucosan Bodies

Clinical History This 65-year-old patient with a history of severe osteoarthritis presented with muscle aches. Muscle biopsy was performed during…


macrophagic myofasciitis
Neuro Notes

Macrophagic Myofasciitis

Clinical History This 60-year old patient presented with a several month history of progressive upper and lower extremity muscle weakness…

AIDP / Guillain-Barré syndrome
Neuro Notes

AIDP / Guillain-Barré syndrome

Clinical History This 50-year old patient with a past medical history of gastric sleeve operation presented with a two week…

McArdle disease
Neuro Notes

Leg Muscle Pain

Clinical History 35-year-old previously healthy woman presented with dark urine, severe pain & swelling in bilateral lower extremity 1 day…