Solitary Spinal Epidural Metastasis from Prostatic Small Cell Carcinoma

Table 1

The differential diagnosis according to MRI findings of the epidural space occupying lesion.

	T1WI	T2WI	Gd enhancement
Metastatic tumor	Low	High	−~+
Schwannoma	Lowiso	High	++
Lymphoma	Low~iso	High or low	+
Sequestrated intervertebral disc	Low	High	+ (rim enhancement)
Hemorrhagic synovial cyst	High	High or low	−/+
Hematoma	Variable	Variable
Abscess	Low~iso	High	+ (rim enhancement)