ABSTRACT
Introduction
The diagnosis of traumatic brain injuries is typically based on hemispheric blasts resulting in degrees of unconsciousness and associated cerebral injuries. This case report describes a Vietnam War era setting in which a traumatic blast wave struck the posterior cranium in the region of the foramen magnum, occipital crest, and other skull openings (orbit, oronasal, and ear) and the unique secondary clinical signs and symptoms experienced over time.
Materials and Methods
This case report describes secondary delayed-onset clinical signs and symptoms consistent with progressive decades-long physical and functional complications. The traumatic blast resulted in brief unconsciousness, decreased vision in left eye, confusion, right sided hemotympanum, deafness, severe tinnitus, severe nasopharynx pain and difficulty swallowing, pain in right posterior and occipital area of the head, and loss of dental amalgams. Subsequent exams revealed progressive hyperacusis, sea sickness, dysdiadochokinesis, diagnosis of 9th and 10th cranial nerve traumatic schwannomas, hyperdense changes to the frontal lobe white matter, progressive tinnitus, chronic vertigo, right-sided high-frequency hearing loss, progressive oculo-gyric crisis of Tumarkin-like seizures, left-sided chronic vitreous hemorrhage, and diminished right hemisphere performance of the brain based on neurophysiological assessment. No post-traumatic stress, depression, or other emotional or psychiatric difficulties were claimed.
Conclusion
This case report, unique to the English language scientific literature, discusses in detail the secondary signs and symptoms of a foramen magnum and occipital crest focused-associated blast injury.
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