Tumour Classification (19) Flashcards
Common
Epithelium, mesenchymal, melanocytes, blood and related cells, CNS tumours
Less common
Germ cell tumour, embryonal tumours, others
Benign surface epithelial
Cell type Papilloma (Squamous cell papilloma)
Benign glandular/secretory epithelial
Glandular tissue Adenoma
Pancreatic cystadenoma
Exceptions
Melanoma, lymphoma, seminoma, mesothelioma
Malignant epithelial
Carcinomas
Malignant glandular/ductal
Adeno carcinoma
All benign mesenchymal tumours have suffix
(Tissue/cell of origin) - oma
Smooth muscle prefix
Leiomyo
Skeletal muscle prefix
Rhabdomyo
Adipose prefix
Lipo
Blood vessel prefix
Angio
Bone prefix
Osteo
Cartilage prefix
Chondro
Fibrous prefix
Fibro
Malignant mesenchymal tumours have suffix
(Tissue/cell of origin) - sarcoma
Melanocytes
Melanin producing cells in bottom layer of skin’s epidermis
Melanocytic Nevus
Benign
Melanoma
Malignant
Malignant tumour of blood cell
Leukemia, lymphoma, myeloma
CNS tumours
Meningioma, astrocytoma (glioblastoma multiforme), oligoendroglioma, ependymoma, medulloblastoma
Germ cell tumours
Seminomatous tumours (seminoma), Non-seminomatous germ cell tumours (teratoma)
Where are germ cell tumours common?
In gonads
Embryonal tumours
Very young,
Examples of embryonal tumours
RetinoBLASTOMA, NephroBLASTOMA, NeuroBLASTOMA, HepatoBLASTOMA
Pleomorphic salivary adenoma
Benign of salivary glands
Carcinosarcoma
Ovaries - malignant
Hamartoma
Non-neoplastic overgrowth of normal tissue, stays at site of occurrence, developmental abnormalities
Examples of hamartoma
Lung hamartoma
Choristoma
(Heterotypic rests), nodules of organ parenchyma in another organ
Examples of choristoma
Normal (non-neoplastic) pancreas nodule in stomach
