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Neuro Notes

Nerve Vasculitis Neuroma

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

Neuro Notes

Myxopapillary Ependymoma

Clinical HistoryThis 50-year old patient presented with a clinical history of chronic lower back pain.  MRI demonstrated an intradural ovoid/sausage-shaped…

Life at Arkana

2024 Holiday Activities at Arkana

As Arkana wrapped up another successful year, our team came together to celebrate the holiday season with festive activities that…

By Chassity Jordan

Neuro Notes

Lateral Upper Thigh Mass

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

Neuro Notes

Neuromuscular Junction (NMJ)

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

Neuro Notes

Amyopathic Dermatomyositis in Children

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


Life at Arkana

2024 Arkademy Award Winners

Our holiday party at Rusty Tractor Vineyards was the perfect backdrop to announce our 2024 Arkademy Award Winners! Derek Kellett…

By Chassity Jordan
Life at Arkana

2024 Holiday Party: Square Dance

Our 2024 annual holiday party took on a distinctly Western flair as we gathered at the beautiful Rusty Tractor Vineyards…

By Chassity Jordan
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 abnormal mitotic figures.…


Life at Arkana

2024 Costume Contest

Arkana’s 2024 Costume Contest brought out the creative spirit in our team as employees transformed into an impressive array of…

By Chassity Jordan
Neuro Notes

Adult Onset Pompe Disease/Acid Maltase Deficiency

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

Neuro Notes

Myopathy with Polyglucosan Bodies

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


macrophagic myofasciitis
Neuro Notes

Macrophagic Myofasciitis

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

AIDP / Guillain-Barré syndrome
Neuro Notes

AIDP / Guillain-Barré syndrome

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

McArdle disease
Neuro Notes

Leg Muscle Pain

Clinical History35-year-old previously healthy woman presented with dark urine, severe pain & swelling in bilateral lower extremity 1 day post…