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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
Clinical History This 50-year old patient with a past medical history of gastric sleeve operation presented with a two week…
Leg Muscle Pain
Clinical History 35-year-old previously healthy woman presented with dark urine, severe pain & swelling in bilateral lower extremity 1 day…
Nemaline Myopathy
Clinical History 45-year-old woman with mild, symmetric, slowly-progressive upper and lower extremity weakness beginning in childhood. Her past medical history…
Ring Fiber
Clinical History What is the finding in these electron micrographs and what is its clinical association? A. Ouroboros fiber …
Glioblastoma with Mesenchymal Metaplasia
Clinical History This 80-year old patient presented with new onset seizures. Brain MRI demonstrated a 4.6 x 3.4 x 3.0…
Fourth Ventricular Mass
Clinical History This 27-year-old patient presented with left leg numbness, low back pain and balance issues. MRI showed a 4.9…
Dural Mass
Clinical History This 50-year-old patient was found to have in incidental dural based mass. What is your diagnosis? Correct Answer…
Segmental Demyelination-Remyelination
What pathologic process is demonstrated by the low and higher magnification images of a teased nerve preparation? The image shows…
Longstanding Weakness
Clinical History The patient is a 72-year-old man with a 30 year history progressive, symmetric leg weakness and tingling. Past…
Muscle Pain
Clinical History The patient is a 54-year-old man with lower extremity pain and edema, weakness and fever following a respiratory…
Collidescope Episode 4 | A Collision Case with IgA and IgG4
What happens when two diseases occur at the same time? Does one influence the other? How is kidney function affected?…
Granulomatous Myositis
Clinical History The patient is a 59-year-old woman with progressive weakness x 3 years. Past medical history includes COPD improved…
Neuropathy Associated with Amyloid
Clinical History: This 66-year old patient presented with clinical features of mononeuropathy. Sural nerve biopsy showed features of a chronic…
Myophosphorylase Deficiency
Clinical History This 25-year-old patient presented with episodes of fatigue, myalgias and muscle weakness following even low-level exertion. These symptoms…