Presentation is loading. Please wait.

Presentation is loading. Please wait.

Neoplasia VI DR OSAMA I NASSIF FRCPC CONSULTANT & ASSOCIATE PROFESSOR DEPARTMENT OF PATHOLOGY, KAUH Neoplasia VI DR OSAMA I NASSIF MD,FRCPC CONSULTANT.

Similar presentations


Presentation on theme: "Neoplasia VI DR OSAMA I NASSIF FRCPC CONSULTANT & ASSOCIATE PROFESSOR DEPARTMENT OF PATHOLOGY, KAUH Neoplasia VI DR OSAMA I NASSIF MD,FRCPC CONSULTANT."— Presentation transcript:

1 Neoplasia VI DR OSAMA I NASSIF FRCPC CONSULTANT & ASSOCIATE PROFESSOR DEPARTMENT OF PATHOLOGY, KAUH Neoplasia VI DR OSAMA I NASSIF MD,FRCPC CONSULTANT & ASSOCIATE PROFESSOR DEPARTMENT OF PATHOLOGY KAUH

2 Neoplasia VI DR OSAMA I NASSIF FRCPC CONSULTANT & ASSOCIATE PROFESSOR DEPARTMENT OF PATHOLOGY, KAUH Etiology of cancer. Chemical carcinogens. Radiation carcinogenesis. Viral oncogenesis.

3 Neoplasia VI DR OSAMA I NASSIF FRCPC CONSULTANT & ASSOCIATE PROFESSOR DEPARTMENT OF PATHOLOGY, KAUH Biology of tumor growth. Kinetics of tumor cell growth. Tumor angiogenesis. Tumor progression and heterogeneity. Tumor invasion and spread.

4 Neoplasia VI DR OSAMA I NASSIF FRCPC CONSULTANT & ASSOCIATE PROFESSOR DEPARTMENT OF PATHOLOGY, KAUH Kinetics Of Tumor Cell Growth Doubling time : equal or more than that of normal cells. Growth fraction : cells in replicative pool, rarely >20%. Production vz loss :

5 Neoplasia VI DR OSAMA I NASSIF FRCPC CONSULTANT & ASSOCIATE PROFESSOR DEPARTMENT OF PATHOLOGY, KAUH Tumor Angiogenesis Tumor-associated angiogenic factors : -bFGF, VEGF …… etc. Macrophage derived growth factors: -TNF-α. Weak angiogenic inhibitors: -Angiostatin, thrombospondin ( p53 upregulated).

6 Neoplasia VI DR OSAMA I NASSIF FRCPC CONSULTANT & ASSOCIATE PROFESSOR DEPARTMENT OF PATHOLOGY, KAUH Kinetics Of Tumor Cell Growth Clinical implications: 1- cancer therapey : Targeting cycling cells. Effect of radiation & debulking. 2- latent period of tumors : Months to years.

7 Neoplasia VI DR OSAMA I NASSIF FRCPC CONSULTANT & ASSOCIATE PROFESSOR DEPARTMENT OF PATHOLOGY, KAUH Tumor Progression and Heterogeneity.

8 Neoplasia VI DR OSAMA I NASSIF FRCPC CONSULTANT & ASSOCIATE PROFESSOR DEPARTMENT OF PATHOLOGY, KAUH Tumor Invasion and Spread. Methods of spread : - Direct. -Through blood vessels. -Through lymph vessels.

9 Neoplasia VI DR OSAMA I NASSIF FRCPC CONSULTANT & ASSOCIATE PROFESSOR DEPARTMENT OF PATHOLOGY, KAUH

10 Neoplasia VI DR OSAMA I NASSIF FRCPC CONSULTANT & ASSOCIATE PROFESSOR DEPARTMENT OF PATHOLOGY, KAUH

11 Neoplasia VI DR OSAMA I NASSIF FRCPC CONSULTANT & ASSOCIATE PROFESSOR DEPARTMENT OF PATHOLOGY, KAUH

12 Neoplasia VI DR OSAMA I NASSIF FRCPC CONSULTANT & ASSOCIATE PROFESSOR DEPARTMENT OF PATHOLOGY, KAUH

13 Neoplasia VI DR OSAMA I NASSIF FRCPC CONSULTANT & ASSOCIATE PROFESSOR DEPARTMENT OF PATHOLOGY, KAUH

14 Neoplasia VI DR OSAMA I NASSIF FRCPC CONSULTANT & ASSOCIATE PROFESSOR DEPARTMENT OF PATHOLOGY, KAUH

15 Neoplasia VI DR OSAMA I NASSIF FRCPC CONSULTANT & ASSOCIATE PROFESSOR DEPARTMENT OF PATHOLOGY, KAUH

16 Neoplasia VI DR OSAMA I NASSIF FRCPC CONSULTANT & ASSOCIATE PROFESSOR DEPARTMENT OF PATHOLOGY, KAUH

17 Neoplasia VI DR OSAMA I NASSIF FRCPC CONSULTANT & ASSOCIATE PROFESSOR DEPARTMENT OF PATHOLOGY, KAUH

18 Neoplasia VI DR OSAMA I NASSIF FRCPC CONSULTANT & ASSOCIATE PROFESSOR DEPARTMENT OF PATHOLOGY, KAUH

19 Neoplasia VI DR OSAMA I NASSIF FRCPC CONSULTANT & ASSOCIATE PROFESSOR DEPARTMENT OF PATHOLOGY, KAUH

20 Neoplasia VI DR OSAMA I NASSIF FRCPC CONSULTANT & ASSOCIATE PROFESSOR DEPARTMENT OF PATHOLOGY, KAUH

21 Neoplasia VI DR OSAMA I NASSIF FRCPC CONSULTANT & ASSOCIATE PROFESSOR DEPARTMENT OF PATHOLOGY, KAUH

22 Neoplasia VI DR OSAMA I NASSIF FRCPC CONSULTANT & ASSOCIATE PROFESSOR DEPARTMENT OF PATHOLOGY, KAUH

23 Neoplasia VI DR OSAMA I NASSIF FRCPC CONSULTANT & ASSOCIATE PROFESSOR DEPARTMENT OF PATHOLOGY, KAUH

24 Neoplasia VI DR OSAMA I NASSIF FRCPC CONSULTANT & ASSOCIATE PROFESSOR DEPARTMENT OF PATHOLOGY, KAUH

25 Neoplasia VI DR OSAMA I NASSIF FRCPC CONSULTANT & ASSOCIATE PROFESSOR DEPARTMENT OF PATHOLOGY, KAUH Etiology of Cancer. Chemical carcinogens. Radiation carcinogenesis. Viral oncogenesis.

26 Neoplasia VI DR OSAMA I NASSIF FRCPC CONSULTANT & ASSOCIATE PROFESSOR DEPARTMENT OF PATHOLOGY, KAUH Chemical Carcinogens.

27 Neoplasia VI DR OSAMA I NASSIF FRCPC CONSULTANT & ASSOCIATE PROFESSOR DEPARTMENT OF PATHOLOGY, KAUH Chemical Carcinogens.

28 Neoplasia VI DR OSAMA I NASSIF FRCPC CONSULTANT & ASSOCIATE PROFESSOR DEPARTMENT OF PATHOLOGY, KAUH Chemical Carcinogens

29 Neoplasia VI DR OSAMA I NASSIF FRCPC CONSULTANT & ASSOCIATE PROFESSOR DEPARTMENT OF PATHOLOGY, KAUH Chemical Carcinogens

30 Neoplasia VI DR OSAMA I NASSIF FRCPC CONSULTANT & ASSOCIATE PROFESSOR DEPARTMENT OF PATHOLOGY, KAUH Chemical Carcinogens

31 Neoplasia VI DR OSAMA I NASSIF FRCPC CONSULTANT & ASSOCIATE PROFESSOR DEPARTMENT OF PATHOLOGY, KAUH Chemical Carcinogens

32 Neoplasia VI DR OSAMA I NASSIF FRCPC CONSULTANT & ASSOCIATE PROFESSOR DEPARTMENT OF PATHOLOGY, KAUH Chemical Carcinogens

33 Neoplasia VI DR OSAMA I NASSIF FRCPC CONSULTANT & ASSOCIATE PROFESSOR DEPARTMENT OF PATHOLOGY, KAUH

34 Neoplasia VI DR OSAMA I NASSIF FRCPC CONSULTANT & ASSOCIATE PROFESSOR DEPARTMENT OF PATHOLOGY, KAUH Chemotherapy Induced Malignancies


Download ppt "Neoplasia VI DR OSAMA I NASSIF FRCPC CONSULTANT & ASSOCIATE PROFESSOR DEPARTMENT OF PATHOLOGY, KAUH Neoplasia VI DR OSAMA I NASSIF MD,FRCPC CONSULTANT."

Similar presentations


Ads by Google