1. Objective To evaluate the histogenesis of early gastric carcinoma(EGC).

2. The histogenesis of meningioma is uncertain.

3. Objective To discuss the histogenesis, clinical and pathologic characteristics of carcinosarcoma of the bladder(CB).

4. Objective To assess the clinicopathological characteristics and histogenesis of round cell malignant tumor in the nasal cavitary.

5. ObjectiveTo discuss the histogenesis(), clinical and pathological character of plasma-cell types of giant lympnode hyperplasia.

6. Objective:To investigate the changes in histogenesis and expressions of related oncogene protein in recurrent bone tumor.

7. To study the histogenesis, biological behaviour, classification of pituitary adenoma and the relationship between the symptoms of hormonal hypersecretion and the hormone test in pituitary adenoma.

8. Conclusion SSCC histogenesis perhaps comes from disseminated neurocrinated neurocrine cell and SSCC is a high malignant tumor. The prognosis is very poor.

9. Objective To appraise the histogenesis, clinical pathologic characteristics and management of vulval Paget s Disease.

10. Objective To investigate the histogenesis and pathologic features of pulmonary sclerosing hemangioma (SH) and its expression of thyroid transcription factor 1 (TTF 1).

11. Purpose To study the clinicopathological features, histogenesis and differential diagnosis of adamantinoma of long bone ( ALB ).

12. Purpose:To study the histogenesis, the differential diagnosis and the prognosis of melanotic schwannoma.

13. The etiological factors, histogenesis, clinical chara cterizations, diagnosis and different diagnosis were discussed along with the re levant references.

14. Objective To investigate the histogenesis, clinicopathological features of adult mesoblastic nephroma (MN) and its differential diagnosis.

15. Objective : To investigate the histogenesis and development of membranous basal cell adenoma in the salivary glands.

16. Objective Detecting the pathological characteristics and histogenesis of pulmonary blastoma.

17. Among the 34 cases of lobulated myofibrous tumor detected by immunohistochemical SP, the histogenesis in 11 cases was associated with myoepithelial cells.

18. The histologic classification of breast carcinoma into duct and lobular type lacks the basis of histogenesis.

19. Conclusion this study indicate that small cell carcinoma of esophagus is highly malignancy, support its histogenesis may origin from the multipotent stem cells.

20. Methods After cholecystectomy, the large intestine neoplasm in mice was induced with dimethylhydrazine(DMH). The histogenesis and growth pattern of large intestine cancer were observed.

21. Objective: The patterns and characteristics about metanephric development and differentiation of Alligator sinensis were explored through observation on the histogenesis of metanephros.

22. Objective To study the morphologic characteristics and immunophenotype of juxtaglomerular cell tumor of the kidney (JGCT), with discussion on its diagnostic clues and possible histogenesis.

23. Cutaneous granular cell tumor is an uncommon skin tumor. However, its histogenesis and differentiation remain controversial.