Tumor Progression Flashcards
what type of spread is characteristic of carcinomas
via lymphatics to regional lymph nodes
what type of spread is characteristic of sarcomas?
hematogenous spread
what type of carcinoma tends to seed body cavities
ovarian carcinoma - “omental caking”
slow-growing tumor that is well-circumscribed, distinct, and mobile
benign tumor
rapidly growing tumor that is poorly circumscribed, infiltrative, and fixed to surrounding tissues
malignant tumors
only way to make absoulte certain diagnosis of cancer
biopsy/excision
type of tumor with organized growth and uniform nuclei
benign
what type of tumor has low nuclear to cytoplasmic ratio and minimal mitotic activity?
benign
what type of tumor has disorganized growth and high mitotic activity?
malignant
what type of tumor has lacks invasion and has no metastatic potential?
benign
what type of tumor has nuclear pleomorphism with hyperchromasia and a high nuclear to cytoplasmic ratio?
malignant
absolute distinguishing feature between benign and malignant tumors
metastatic potential
type of cell that stains positive for keratin
epithelium
type of cell that stains positive for vimentin
mesenchyme
type of cell that stains positive for desmin
muscle
