Cancers in Togo from 1984 to 2008: Epidemiological and Pathological Aspects of 5251 Cases

Table 4

Distribution of cancers by histological nature.

Histological group	Histological type	Nb** of cases	%
Carcinomas 3574 cases; 68,1%	Adenocarcinomas	2099	40.0
	Squamous cell carcinoma	1238	23.6
	Carcinoma NOS*	155	2.9
	Urothelial carcinoma	35	0.6
	Medullar carcino ma	31	0.6
	Basaloid carcinoma	19	0.4
Hematopoietic tissue Cancers 833 cases; 15.9%	Non-hodgkin lymphoma	663	12.6
	Hodgkin disease	97	1.9
	Leukaemia	58	1.1
	Myeloma	15	0.3
Sarcomas 581 cases; 11.0%	Kaposi sarcoma	225	4.3
	Fibrosarcoma	146	2.8
	Leiomyosarcoma	38	0.7
	Rhabdomyosarcoma	35	0.6
	Osteosarcoma	30	0.5
	Chondrosarcoma	28	0.5
	Liposarcoma	27	0.5
	Angiosarcoma	19	0.4
	Malignant fibrous histiocytoma	19	0.4
	Ewing sarcoma	4	0.1
	Sarcoma NOS*	10	0.2
Embryonic and placental malignant tumors 143 cases; 2.7%	Choriocarcinoma	50	1.0
	Retinoblastoma	38	0.7
	Wilms tumor	19	0.4
	Malignant teratoma	10	0.2
	Yolk sac tumor	6	0.1
	Hepatoblastoma	5	0.1
	Seminoma	5	0.1
	Glioblastoma	5	0.1
	Gonadoblastoma	3	0.0
	Other	2	0.0
Other specified cancers 120 cases; 2.3%	Melanoma	83	1.6
	Granulosa tumor	19	0.4
	Mesothelioma	7	0.1
	Malignant schwannoma	8	0.2
	Carcinosarcoma	3	0.0
	All	5251	100

*NOS: not otherwise specified. **Nb: Nomber.