Study type | Final diagnosis | N of cases |
---|---|---|
 | Intracranial Air ( N = 6) |  |
Case | *Pneumocephalus associated with frontal pneumosinus dilatans[194] | 1 |
Case | 5 | |
40 | CSF Pressure Disorders (N = 40) |  |
Cohort | Headache due to low CSF pressure[27] | 14 |
Cohort | Idiopathic Intracranial Hypertension[27] | 1 |
Cohort | 2 | |
Case | 16 | |
Case | 2 | |
Case | *Adult aqueductal stenosis[208] | 1 |
Case | Intracranial hypotension secondary to retained spinal needle[79] | 1 |
Case | Intraventricular arachnoid cyst[209] | 1 |
Case | Cerebellar tonsillar herniation[210] | 1 |
Case | Hydrocephalus secondary to third ventricle dermoid cyst[211] | 1 |
3 | Neuro-Inflammatory Disorders (N = 3) |  |
Cohort | *HaNDL Syndrome[27] | 1 |
Cohort | *Ocular Inflammatory Disorder[27] | 1 |
Case | *Apoplectic headache secondary to Multiple Sclerosis[212] | 1 |
4 | Chemical Meningitis (N = 4) |  |
Case | 2 | |
Case | *Ruptured spinal dermoid tumour[215] | 1 |
Case | *Ruptured arachnoid cyst into subdural space[216] | 1 |
7 | Intracranial Neoplasm (N = 7) |  |
Cohort | 6 | |
Case | *Nonhaemorrhagic Anaplastic Oligodendroglioma[191] | 1 |
43 | Pituitary Apoplexy (N = 43) |  |
Case | 8 | |
Case | *Sphenoid sinus epidermoid cyst presenting as pituitary apoplexy[224] | 1 |
Series | Pituitary Apoplexy[225] | 34 |
1 | Psychiatric Disorder (N = 1) |  |
Case | *Transitional Interpersonality Thunderclap Headache[193] | 1 |
15 | Other (N = 15) |  |
Cohort | *Post Seizure Headache[27] | 2 |
Series | Occipital Neuralgia[34] | 12 |
Case | *Hyperventilation Induced headaches[226] | 1 |
 |  | 119 |