OBJECTIVE AND IMPORTANCE: A rare case of metastasizing malignant eccrine po
roma (porocarcinoma) is described. This case is unique because metastasis r
esulted in hydrocephalus in the cerebrospinal fluid and spinal cord compres
sion in the lumbar spine.
CLINICAL PRESENTATION: A 57-year-old man presented with acute confusion, lo
wer limb weakness, and urinary concerns. Investigation revealed acute hydro
cephalus and extradural cord compression of the lumbar spine.
INTERVENTION: The acute hydrocephalous was treated with a ventriculoperiton
eal shunt. The spinal cord and conus were decompressed by laminectomy and s
upplemented with pedicular screw fixation.
CONCLUSION: The case reported here is the first with metastases from a mali
gnant eccrine poroma causing spinal cord compression and acute hydrocephalu
s. Our observation is compared with a review of the literature.