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Questions and Answers
Which pattern of follicles is characterized by the presence of well-defined nidi of small uniform cells?
Which pattern of follicles is characterized by the presence of well-defined nidi of small uniform cells?
- Microfollicular (correct)
- Normofollicular
- Macrofollicular
- Trabecular
What is the definition of carcinoma in-situ?
What is the definition of carcinoma in-situ?
- Increased cell production
- Development of secondary implants discontinuous with the primary tumor
- Localized growth without invasion
- Malignant cells involving the entire thickness of the epithelium without penetration of the basement membrane (correct)
What distinguishes dysplasia from hyperplasia and carcinoma in-situ?
What distinguishes dysplasia from hyperplasia and carcinoma in-situ?
- Intraepithelial malignancy without penetration of the basement membrane
- Increased cell production
- Loss of organizational structure of cells (correct)
- Development of secondary implants discontinuous with the primary tumor
Which type of tumors may develop through lymphatic spread?
Which type of tumors may develop through lymphatic spread?
What are paraneoplastic syndromes?
What are paraneoplastic syndromes?
What may be the first or most prominent manifestation of a cancer?
What may be the first or most prominent manifestation of a cancer?
Which type of tumors are favored through hematogenous spread?
Which type of tumors are favored through hematogenous spread?
Which type of benign tumor may produce a microscopic or macroscopic finger-like pattern?
Which type of benign tumor may produce a microscopic or macroscopic finger-like pattern?
Which type of malignant tumor arises from mesenchymal tissue?
Which type of malignant tumor arises from mesenchymal tissue?
What distinguishes hyperplasia from dysplasia?
What distinguishes hyperplasia from dysplasia?
What is the characteristic feature of microfollicular pattern?
What is the characteristic feature of microfollicular pattern?
What is the definition of neoplasia?
What is the definition of neoplasia?
What is the study of tumors called?
What is the study of tumors called?
What are the two basic components of a tumor?
What are the two basic components of a tumor?
What determines the biological behavior of a tumor?
What determines the biological behavior of a tumor?
What does the suffix '-oma' indicate in the nomenclature of tumors?
What does the suffix '-oma' indicate in the nomenclature of tumors?
What is the term for the extent to which the parenchymal cells of a tumor resemble their normal counterparts morphologically and functionally?
What is the term for the extent to which the parenchymal cells of a tumor resemble their normal counterparts morphologically and functionally?
Which type of tumor is well differentiated and closely resembles their normal counterparts?
Which type of tumor is well differentiated and closely resembles their normal counterparts?
What does 'pleomorphism' refer to in histological examination of a tumor?
What does 'pleomorphism' refer to in histological examination of a tumor?
What does 'anaplasia' refer to in the context of tumor differentiation?
What does 'anaplasia' refer to in the context of tumor differentiation?
'Fibro + oma' in nomenclature indicates a tumor originating from which type of tissue?
'Fibro + oma' in nomenclature indicates a tumor originating from which type of tissue?
'Chondro + oma' in nomenclature indicates a tumor originating from which type of tissue?
'Chondro + oma' in nomenclature indicates a tumor originating from which type of tissue?
'Leiomyo + oma' in nomenclature indicates a tumor originating from which type of tissue?
'Leiomyo + oma' in nomenclature indicates a tumor originating from which type of tissue?
Malignant tumors are always well differentiated and closely resemble their normal counterparts.
Malignant tumors are always well differentiated and closely resemble their normal counterparts.
Well-differentiated tumors closely resemble their normal counterparts morphologically and functionally.
Well-differentiated tumors closely resemble their normal counterparts morphologically and functionally.
Anaplasia refers to the extent to which the parenchymal cells of a tumor resemble their normal counterparts.
Anaplasia refers to the extent to which the parenchymal cells of a tumor resemble their normal counterparts.
Pleomorphism in histological examination of a tumor refers to uniform cell size and shape.
Pleomorphism in histological examination of a tumor refers to uniform cell size and shape.
Benign tumors have the potential to spread to distant sites in the body.
Benign tumors have the potential to spread to distant sites in the body.
The biological behavior of a tumor is primarily determined by the stroma.
The biological behavior of a tumor is primarily determined by the stroma.
Oncology is the study of benign tumors only.
Oncology is the study of benign tumors only.
The suffix '-oma' in the nomenclature of tumors always indicates a malignant tumor.
The suffix '-oma' in the nomenclature of tumors always indicates a malignant tumor.
Neoplasia refers to the uncoordinated growth of cells that is in harmony with normal tissues.
Neoplasia refers to the uncoordinated growth of cells that is in harmony with normal tissues.
Malignant neoplasms cannot be locally excised and generally lead to patient survival.
Malignant neoplasms cannot be locally excised and generally lead to patient survival.
Dysplasia always progresses to cancer?
Dysplasia always progresses to cancer?
Metastasis can only occur through lymphatic spread.
Metastasis can only occur through lymphatic spread.
Pleomorphism refers to the loss of the organizational structure of cells.
Pleomorphism refers to the loss of the organizational structure of cells.
Carcinoma in-situ involves penetration of the basement membrane.
Carcinoma in-situ involves penetration of the basement membrane.
Paraneoplastic syndromes are metastatic effects that accompany malignant disease.
Paraneoplastic syndromes are metastatic effects that accompany malignant disease.
Anaplasia refers to the extent to which parenchymal cells of a tumor resemble their normal counterparts.
Anaplasia refers to the extent to which parenchymal cells of a tumor resemble their normal counterparts.
Benign tumors always grow faster than malignant tumors.
Benign tumors always grow faster than malignant tumors.
Carcinoma can arise from mesenchymal tissue.
Carcinoma can arise from mesenchymal tissue.
Abnormal mitotic spindles are a characteristic of benign tumors.
Abnormal mitotic spindles are a characteristic of benign tumors.
Chromatin clearing and margination are characteristics of well-differentiated tumors.
Chromatin clearing and margination are characteristics of well-differentiated tumors.
Study Notes
Tumor Characteristics
- The presence of well-defined nidi of small uniform cells characterizes a follicular pattern.
- Carcinoma in-situ is defined as a neoplasm that remains confined to the epithelium of origin without penetrating the basement membrane.
- Dysplasia is distinguished from hyperplasia and carcinoma in-situ by the presence of cytologic atypia and loss of normal tissue architecture.
Tumor Spread
- Tumors that develop through lymphatic spread are known as lymph node metastases.
- Paraneoplastic syndromes are systemic effects that accompany malignant disease, but are not directly related to the primary tumor.
Tumor Types
- Tumors favored through hematogenous spread are those that metastasize through the bloodstream.
- Benign tumors that produce a microscopic or macroscopic finger-like pattern are known as papillary tumors.
- Malignant tumors that arise from mesenchymal tissue are known as sarcomas.
Tumor Histology
- Hyperplasia is distinguished from dysplasia by the presence of normal tissue architecture.
- The characteristic feature of microfollicular pattern is the presence of small, uniform follicles.
- Pleomorphism refers to the variation in cell size and shape.
- Anaplasia refers to the loss of differentiation in tumor cells.
Neoplasia
- Neoplasia is defined as the uncoordinated growth of cells that is not in harmony with normal tissues.
- The study of tumors is called oncology.
Tumor Components
- The two basic components of a tumor are the parenchyma and stroma.
- The biological behavior of a tumor is primarily determined by the parenchyma.
Tumor Nomenclature
- The suffix '-oma' in the nomenclature of tumors indicates a benign tumor.
- 'Fibro + oma' in nomenclature indicates a tumor originating from fibrous tissue.
- 'Chondro + oma' in nomenclature indicates a tumor originating from cartilaginous tissue.
- 'Leiomyo + oma' in nomenclature indicates a tumor originating from smooth muscle tissue.
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Description
Take this quiz to test your understanding of neoplasia, tumors, and the study of oncology. Explore the differences between benign and malignant tumors, their characteristics, and their impact on patients.
