Remember PACHI MENINGES for causes of Pachymeningeal Thickening
P – Post Operative
A – Active CSF Leak
C – CNS Lymphoma (Secondary)
H – Hypertrophic Cranial Pachymeningitis
I – Intracranial Hypotension
M – Meningioma, Mets
E – Erdheim Chester
N – Neoplastic
I – Infection
N – Next to Sinusitis or Osteomyelitis
G – Granulomatous
E – Extramedullary Hematopoiesis
S – Solitary fibrous tumor
Check out more visual mnemonics here:
