เนืองอก (Neoplasm)
เนืองอก (Neoplasm) เนืองอก (Neoplasm)
22/11/55Benign & Malignant TumorsCharacteristics Benign MalignantHistology(differentiation,anaplasia)- Typical oftissue of origin- Well diff. withno anaplasia- Poorly diff.- Anaplastic,abnormal cellsize and shapeGrowth rate Slow RapidLocalization Local, capsule InfiltrativeinvasionMetastasis No YesRecurrence Rare CommonPrognosis Good PoorTumor type and Tissue of Origin• Epithelial tumors• Mesenchymal tumors• Tumors of blood cells and lymphocytes• Tumors of neural cell precursors and neuralsupporting cells• Germ cells tumorsEpithelial tumors• Benign : suffix – oma• Malignant : suffix – carcinoma• Squamous cell epithelium– Papilloma – Squamous cell carcinoma• Glandular/ductal epithelium– Adenoma - Adenocarcinoma• Transitional epithelium– Transitional cell adenoma – Transitional cell CA4
22/11/55Mesenchymal tumors• Benign : suffix – oma• Malignant : suffix – sarcoma• Fibroblast : Fibroma - Fibrosarcoma• Fat cell : Lipoma - Liposarcoma• Smooth muscle: Leiomyoma - Leiomyosarcoma• Striated muscle: Rhabdomyoma – ~-sarcoma• Cartilage : Chondroma - Chondrosarcoma• Bone : Osteoma - OsteosarcomaTumors of Blood cells andLymphocytes• All malignant tumors• White blood stem cells – Leukemia• Lymphoid cells – Lymphoma• Plasma cells – Multiple myelomaTumors of neural cell precursorsand neural supporting cells• Neuroblast : Neuroblastoma (malignant)• Glial cells : Glioma (malignant)• Meningeal cells : Meningioma (benign)• Schwann cells : Schwannoma (benign)Germ cell tumors• Embryonic cells• Benign tumor : Teratoma (dermoid cyst)• Malignant tumors : TeratocarcinomaSeminoma5
- Page 1 and 2: 22/11/55http://www.clipartreview.co
- Page 3: 22/11/55• Benign tumor :Cell Grow
- Page 7 and 8: 22/11/55Physical carcinogens• Rad
- Page 9 and 10: 22/11/55Invasion and Metastasis•
- Page 11: 22/11/55References• Damjanov I.,
22/11/55Benign & Malignant TumorsCharacteristics Benign MalignantHistology(differentiation,anaplasia)- Typical oftissue of origin- Well diff. withno anaplasia- Poorly diff.- Anaplastic,abnormal cellsize and shapeGrowth rate Slow RapidLocalization Local, capsule InfiltrativeinvasionMetastasis No YesRecurrence Rare CommonPrognosis Good PoorTumor type and Tissue of Origin• Epithelial tumors• Mesenchymal tumors• Tumors of blood cells and lymphocytes• Tumors of neural cell precursors and neuralsupporting cells• Germ cells tumorsEpithelial tumors• Benign : suffix – oma• Malignant : suffix – carcinoma• Squamous cell epithelium– Papilloma – Squamous cell carcinoma• Glandular/ductal epithelium– Adenoma - Adenocarcinoma• Transitional epithelium– Transitional cell adenoma – Transitional cell CA4
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