Table 1 Patient demographics and clinical characteristics
From: MR imaging features of benign retroperitoneal paragangliomas and schwannomas
Characteristic | Paragangliomas group (n = 24) | Schwannoma group (n = 26) | P-value |
|---|---|---|---|
No. of patients (female) | 24 (12) | 26 (8) | – |
aAge (years) | 48.04 ± 9.70 | 40.88 ± 13.29 | 0.036 |
Hypertension (n) | 11 | 1 | 0.001 |
CA-related symptoms (n) | 3 | 0 | 0.001 |
Symptomless(n) | 10 | 20 | 0.001 |
VMA/24 h (Positive) | 22 (9) | 0 | 0.001 |
CA/24 h (Positive) | 22 (9) | 0 | 0.001 |
131I–MIBG positive | 9 | 0 | 0.001 |
other symptoms | |||
Abdominal mass (n) | 2 | 4 | – |
Lumbago (n) | 3 | 2 | – |
dysuria (n) | 0 | 1 | – |
Resection of tumor | |||
Laparoscopic surgery (n) | 9 | 6 | – |
Robot-assisted laparoscopic (n) | 10 | 1 | – |
Laparotomy (n) | 5 | 19 | – |