Zusammenfassung der Ressource
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Neoplasia: [blank_start]Process of developing a neoplasm[blank_end]
Neoplasma: [blank_start]New growth in which the cells are[blank_end] [blank_start]unresponsive to normal growth controls[blank_end]
Oncology: [blank_start]The study of neoplasia[blank_end]
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The study of neoplasia
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Process of developing a neoplasm
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New growth in which the cells are
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unresponsive to normal growth controls
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Tumour Naming
Named according to:
1. [blank_start]Tissue of origin[blank_end]
2. [blank_start]Cell of origin[blank_end]
3. [blank_start]Clinical behaviour[blank_end]
Benign epithelial tumour:
suffix [blank_start]-oma[blank_end]
Malignant epithelial tumour:
suffix [blank_start]-carcinoma[blank_end]
[blank_start]Adenocarcinoma[blank_end] (if gland cell)
Benign mesenchymal tumour:
suffix [blank_start]-oma[blank_end]
Malignant mesenchymal tumour:
suffix [blank_start]-sarcoma[blank_end]
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Tissue of origin
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Cell of origin
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Clinical behaviour
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-oma
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-carcinoma
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Adenocarcinoma
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-oma
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-sarcoma
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What is Leukaemia?
Neoplasms [blank_start]of haematopoietic cells[blank_end] in which there is an increase in [blank_start]malignant cells[blank_end] [blank_start]circulating in the blood stream[blank_end]
Malignant [blank_start]tumour of the WBC[blank_end] that are [blank_start]circulating the blood[blank_end]
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Features of a benign tumour
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Cytology shows cells that all look quite similar
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Grow slowly
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Don't metastasise
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Enclosed in capsule
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Mobile if under skin
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Cytology shows varying cell sizes and looks chaotic
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Grow rapidly
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Metastasise
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No capsule
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Invade and destroy adjacent tissue
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Features of a malignant tumour
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Cytology show varying cell sizes and look chaotic
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Grow rapidly
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Invade and destroy adjacent tissue
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Metastasise
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No capsule
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Adherent
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Grow slowly
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Don't metastasise
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Enclosed in capsule
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Cytology shows cells that all look quite similar
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Clinical effects a neoplasm can have on the body
Benign:
[blank_start]Cause little harm[blank_end]
[blank_start]Due to location[blank_end]
Malignant:
Interefere [blank_start]with function[blank_end]
[blank_start]Haemorrhage[blank_end]
[blank_start]Ulcerations[blank_end]
Interfere [blank_start]with immune system[blank_end]
[blank_start]Depression[blank_end]
[blank_start]Weight loss[blank_end]
[blank_start]Space occupying[blank_end]
[blank_start]Over production of normal products[blank_end] e.g. hormones
[blank_start]Paraneoplastic products[blank_end]
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Methods by which tumours can spread
1. [blank_start]Direct expansion an infiltration[blank_end]
2. [blank_start]Metastasis[blank_end]
3. [blank_start]Trans coelomic spread[blank_end]
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Three groups of carcinogens
1. [blank_start]Radiant energy[blank_end]
2. [blank_start]Chemicals[blank_end]
3. [blank_start]Viruses[blank_end]
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Viruses
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Chemicals
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Radiant energy