21 Questions
What is a characteristic of nuclei in poorly differentiated tumors?
They have a large nucleo-cytoplasmic ratio due to rapid cell division
What is a key feature that distinguishes malignant tumors from benign tumors?
The invasion and destruction of surrounding tissue
What is the term for the variation in size and shape of cells in tumors?
Pleomorphism
What is the pathway of spread for a tumor that invades the lymphatics?
Through the lymph nodes
What is the term for the growth of tumors into the surrounding tissue?
Invasion
What is a characteristic of tumor growth patterns in malignant tumors?
Haphazard and un-ordered growth
What is a characteristic feature of benign lesions in terms of growth pattern?
Expansion with well-defined capsules
What is the primary importance of histological appearance in cancer diagnosis?
To determine the degree of malignancy
What is a characteristic feature of malignant lesions in terms of tumor morphology?
Poorly demarcated edges
What is a key concern in surgical removal of a tumor?
Removing the entire tumor
What is a potential route of tumor metastasis?
Through the lymphatic system
What is the term for a 'new growth' in the context of cellular pathology?
Neoplasia
What is the characteristic of a benign tumour?
Good differentiation
What is the term for the study of the presumed cell of origin of a tumour?
Histogenesis
What is the type of tumour that arises from epithelial cells?
Carcinoma
What is the characteristic of a malignant tumour?
Ability to metastasize
What is the term for the spread of tumour cells to distant organs?
Metastasis
What is the type of tumour that arises from smooth muscle cells?
Leiomyoma
What is the term for the abnormal growth of new tissue that can be cancerous?
Neoplasia
What is the characteristic of a malignant melanoma?
Asymmetrical/irregular borders
What is the type of tumour that arises from germ cells?
Germ cell tumour
Identify the microscopic findings that are characteristic of cancer cells, including cell division, nuclear and cellular variation, and loss of tissue organization. Understand the significance of poorly defined tumor boundaries and invasion. Test your knowledge of cancer diagnosis through histological examination.
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