Carpal tunnel syndrome (MRI)
Nocturnal ascending pain emanating from the wrist and numbness of the first three digits of the left hand.
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Palmar bowing of the flexor retinaculum is seen.
Enlargement of the median nerve at the level of the pisiform and flattening at the level of the hook of hamate is present.
Edema and loss of normal fat signal within the carpal tunnel are also noted.
Synovial cyst measuring 3 x 9 mm is noted at the medial and palmar aspect of the wrist.
This patient was referred to with the history of the nocturnal ascending pain emanating from the wrist and numbness of the first three digits of the left hand, which in combination with the MRI findings makes the diagnosis of carpal tunnel syndrome likely.