peduncular hallucinosis

After other similar case studies were published, this syndrome was labeled "peduncular hallucinosis."

Peduncular hallucinosis is a rare occurrence so what is known comes from case studies.

Peduncular hallucinosis therefore might emanate from disturbances in distal portions of the visual system.

The hygroma was drained which improved her consciousness and the peduncular hallucinosis eventually subsided after two weeks.

The doctors concluded that the high blood pressure caused the lesions, which consequently led to the symptoms characteristic of peduncular hallucinosis.

Her trigeminal neuralgia went away but the procedure led to hallucinations characteristic of peduncular hallucinosis.

Two days after surgery he developed peduncular hallucinosis which disappeared after two days.

An 11-year-old girl in one incident developed peduncular hallucinosis, which included disturbed sleep, after an endoscopic third ventriculostomy was performed on her.

A 53-year-old man diagnosed with peduncular hallucinosis reported visual hallucinations of human figures, birds, flowers, and cartoon bunnies.

Posterior thalamic lesions were also found to be linked to peduncular hallucinosis by De Morsier.

In one study, a 68-year-old woman was diagnosed with peduncular hallucinosis after microvascular decompression for trigeminal neuralgia.

Regular antipsychotics as well as antidepressants can also be helpful in reducing or eliminating peduncular hallucinosis.

Tumor removal can also help to relieve compression in the brain, which consequently can decrease or eliminate peduncular hallucinosis.

These case studies indicated that besides the lesions commonly associated with peduncular hallucinosis, meningiomas and brain stem compression can also be causes.

The lesions that disturb brainstem reticular formation or thalamic targets seem to be the source behind peduncular hallucinosis.

Also, to prevent peduncular hallucinosis and other complications due to venous congestion, these types of surgeries should protect the petrosal vein when possible.

Lhermitte's peduncular hallucinosis: Purely visual hallucinations recognized as unreal, abnormal phenomena (preserved insight).

In 1925, Von Bogaert was the first to describe the pathophysiology of peduncular hallucinosis through an autopsy of a patient.

Peduncular hallucinosis is more common in patients with a long duration of Parkinson's disease and also with a long treatment history, depression, and cognitive impairment.

The study concluded that peduncular hallucinosis does not require brainstem injury and that a cerebellar lesion could have been the causation.

More recently, magnetic resonance imaging (MRI) has been used to localize lesions in the brain characteristic of peduncular hallucinosis.

In 1987, the first case of peduncular hallucinosis was reported in which MRI was used to locate a midbrain lesion.

After placement of an external ventricular drainage device, the girl became more oriented but developed peduncular hallucinosis which consisted of imaginary friends, birds, and an angel.

Whereas a person with a psychological disorder thinks their hallucinations are real, people with peduncular hallucinosis normally know that the visual hallucinations they see are not real.

Unformed visual hallucinations, peduncular hallucinosis, metamorphopsia, teleopsia, illusory visual spread, palinopsia, distortion of outlines, central photophobia: Calcarine cortex.