Surgical management of 143 patients with adult primary retroperitoneal tumor

Table 1 Clinical manifestation of 139 patients

Clinical manifestations		n (%)
Abdominal mass	84	(60.4)
Abdominal pain	72	(51.8)
Abdominal distension	26	(18.7)
Lumbar region pain	23	(16.5)
Fever	11	(8.0)
Constipation	11	(8.0)
Lower extremity edema	9	(6.5)
Weight loss	7	(5.0)
Lower limb pain	7	(5.0)
Dysuria	6	(4.3)
Lower limb numbness	5	(3.6)
Loss of appetite	5	(3.6)

Table 2 Patients underwent multiple organs resection (n = 29)

Surgery	n
Nephrectomy	16
Partial colorectomy	15
Splenectomy	11
Distal Panctratectomy	8
Artificial blood vessel transplantation	7
Partial small intestine resection	6
Partial ureterectomy	6
Partial duodenectomy	4
Partial gastrectomy	4
Uterectomy	3

Table 3 Histological types of 143 cases of APRT

Tissue source	Benign	n	Malignant	n
Mesenchymal	Lipoma	5	Liposarcoma	21
tissue	Leiomyoma	4	Leiomyosarcoma	16
	Lymphangioma	3	Rhabdomyosarcoma	11
	Fibroma	4	Malignant fibrous histiocytoma	8
	Hemangioma	5	Malignant mesenchymoma	6
	Mesenchymoma	4	Malignant lymphoma	5
			Malignant hemangioendothelioma	6
			Scirrhous fibroma	2
Neurogenous	Neurofibroma	5	Malignant neurofibroma	9
tissue	Paraganglioma	2	Malignant Paraganglioma	3
	Schwannnoma	4	Malignant schwannoma	4
Geitoembryotissue	Teratoma	5	Malignant teratoma	6
Unclassified tumor	Retroperitoneal cyst	4	Undifferentiated sarcoma	1
Total		45		98

Table 4 Factors affecting postoperative local recurrence (COX regression analysis results)

	B	SE	P	RR	RR95%CI
Male	0.346	0.176	0.049	1.413	1.001-1.996
Malignant tumor	2.865	0.841	0.000	17.549	3.376-91.228
Completeness of tumor resection	-0.493	0.182	0.007	0.611	0.427-0.873
Leiomyosarcoma	0.849	0.333	0.011	2.338	1.217-4.493
Liposarcoma	0.806	0.287	0.005	2.239	1.276-3.929
Malignant hemangioendothelioma	0.817	0.446	0.067	2.264	0.944-5.426