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| Author | Age/sex | Indication for initial intervention | Location | Presenting symptom | Time to outbreak, if applicable |
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| Conliffe et al. [1] | 75/M | L5 radiculopathy with foot drop | Lumbosacral distribution, L5 | Herpetic rash | No information |
| Haverkos et al. [2] | 52/M | T9 to L1 laminectomy for excision of arteriovenous malformation | Below umbilicus (T10) in all dermatomes. | Back pain and complete paralysis of both legs | 9 days postoperatively |
| Haverkos et al. [2] | 50/F | L4 laminectomy, L4-5 discectomy, and bilateral L5 foraminotomies for herniated disc | S2 and S3 | Clusters of vesicular lesions in right S2 and S3 dermatomes | 3 days postoperatively |
| Haverkos et al. [2] | 55/F | L4-5 discectomy | Right buttock laterally | 3 clusters of vesicles (3 × 4 cm) | 5 days postoperatively |
| Makkar et al. [3] | 30/F | Bilateral transforaminal fluoroscopy-guided steroid injection at L4 for 1 year of low back pain and radiculopathy | T10 | Burning sensation and eruption of herpes zoster lesions | 5 days after injection |
| Makkar et al. [3] | 42/F | Serial transforaminal steroid injections for L5 radiculopathy of 6 months duration | T8 | Pruritis and herpes zoster lesions | After third injection |
| Grauvogel and Vougioukas [4] | 56/M | Foraminotomy for dysesthetic pain in C8 nerve root distribution | C6 and C7 | New motor deficits | 2 days postoperatively |
| Godfrey et al. [5] | 59/M | 2-stage anterior and posterior spinal fusion for progressive idiopathic adult lumbar scoliosis | T4 and T5 | Severe left-sided chest pain and painful vesicular rash | 29 days postoperatively |
| Godfrey et al. [5] | 47/F | Anterior left 8th rib thoracotomy and cord decompression for lower extremity hyperreflexia and left T7 and T9 intercostal hyperalgesia | Left 7th, 8th, and 9th rib | Sudden onset severe left thoracogenic pain and vesicular eruptions | 5 days postoperatively |
| Parsons and Hawboldt [6] | 42/M | Series of 6 epidural blocks for complex regional pain syndrome | Right L2 | Burning sensation followed by shingles lesions 7 days postoperatively | 7 days postoperatively |
| Hung et al. [7] | 70/M | Hospital admission for multiple fractures and compression of S1 ventral ramus | S1 | Severe tingling pain and allodynia | 30th day of hospital admission |
| Szokol and Gilbert [8] | 52/F | Epidural steroid injection at L4-L5 interspace | S3 | Pruritus in tailbone and herpes zoster outbreak in S3 distribution with no tenderness | 4 days after injection |
| Nabors et al. [9] | 57/F | T6-T8 laminectomy for spinal cord meningioma | Both buttocks | Vesicular rash | 7 days postoperatively |
| Nabors et al. [9] | 61/F | Occiput to C3 fusion because of underlying multiple myeloma | Vertex to base of neck with lesions at the rim of the pinna of the ear | Vesicular rash on the back of the head | 5 months postoperatively |
| Nabors at el. [9] | 63/F | Right L5 hemilaminectomy for excision of ruptured L5-S1 disc with topical corticosteroid applied to S1 nerve root | Left buttock | Vesicular rash | 2 days postoperatively |
| Nabors et al. [9] | 61/F | L3-L5 laminectomy for decompression with topical steroids applied to nerve roots | Both buttocks | Vesicular lesions | 7 days postoperatively |
| Nabors et al. [9] | 77/F | C3-C6 laminectomy for decompression of canal stenosis | Right side of lower back and buttocks | Vesicular rash | 7 days postoperatively |
| Nabors et al. [9] | 62/F | Right frontal craniotomy for clipping of aneurysm | Right side of chest | Vesicular rash | 7 days postoperatively |
| Nabors et al. [9] | 60/M | Left craniotomy for Glioblastoma Multiforme resection | Both eyes (V1 distribution) | Progressive right side weakness and, one week after, bilateral periorbital swelling | 10 months postoperatively |
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