Psp is characterized by akinetic rigid parkinsonism, dizziness, unsteadiness, slowness, falls, and pseudobulbar dysarthria, and also supranuclear eye movement abnormalities which presented as downward, or upward, or combination gaze palsy ref2. Psp is the shortform of a disease called progressive supranuclear palsy. Progressive supranuclear palsy psp, previously known as. Progressive supranuclear palsy psp is an atypical parkinsonian syndrome characterized. Progressive supranuclear palsy psp, also known as steelerichardsonolszewski syndrome, is a degenerative disease involving the gradual deterioration and death of specific volumes of the brain. Progressive supranuclear palsy psp is a degenerative disease involving the gradual. Progressive supranuclear palsy psp, also known as the steelerichardsonolszewski syndrome, is a form of parkinsonplus syndrome. Example of patient with progressive supranuclear palsy. Progressive supranuclear palsy psp, also known as the steelerichardson olszewski syndrome, is a form of parkinsonplus syndrome.
Shows saccadic intrusions in forward gaze, pursuit. Pdf on nov 1, 2012, shobha m itolikar and others published hummingbird sign, penguin sign and mickey mouse sign in progressive supranuclear palsy. Another feature, the mickey mouse sign, describes selective atrophy of the. Progressive supranuclear palsy psp is a neurodegenerative disease. Progressive supranuclear palsy is characterized by decreased cognition, abnormal eye movements supranuclear vertical gaze palsy, postural instability and falls, as well as parkinsonian features and speech disturbances. Based on the clinical and radiographic features, he was diagnosed as a case of progressive supranuclear palsy steele. Humming bird sign, mickey mouse sign, and morning glory sign in. Certain specific signs like penguin silhouette, humming bird and mickey mouse signs have.
Progressive supranuclear palsy radiology reference article. The condition leads to symptoms including loss of balance, slowing of movement, difficulty moving the eyes, and dementia. Progressive supranuclear palsy radiology reference. One sign of psp is abnormal clumps of tau in nerve cells in the brain. The literature search was performed between february and may 2016.
Hummingbird sign, penguin sign and mickey mouse sign. Progressive supranuclear palsy psp is a pathologic diagnosis. Discussion of difference between saccadic movement in supranuclear palsy and nystagmus. Mickey mouse sign in progressive supranuclear palsy. Patients with psp show interesting radiological signs such as the humming bird sign and the mickey mouse sign. Mr parkinsonism index in progressive supranuclear palsy. Progressive supranuclear palsy psp, also known as the. Later symptoms and signs are dementia typically including loss of inhibition and ability to organize. Hummingbird sign, penguin sign and mickey mouse sign in progressive supranuclear palsy. Hummingbird sign is a rather interesting sign seen in midsagital view of mri brain in patient with progressive supranuclear palsy psp ref1.