Several fly genera have been involved with Hypoderma species the most common.
Risk factors for cerebral myiasis:
(1) head trauma
(2) nasal, aural or orbital myiasis (extension from a primary site)
(3) malignant scalp tumors (angiosarcoma, other)
(4) ulcerated scalp wound
The most common site of involvement is a frontal lobe.
Clinical findings may include:
(1) intracranial hypertension
(2) hydrocephalus
(3) reduction in mental status
(4) motor deficits
(5) seizures
(6) extrapyramidal signs and symptoms
Imaging studies can be valuable for making the diagnosis but need to be ordered.
Complications may include
(1) secondary infection
(2) intracerebral hematoma
