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Which one of the following characteristics best distinguishes the peripheral 'coin lesion' in the right mid-lung field as a neoplasm, rather than a granuloma?
Which one of the following characteristics best distinguishes the peripheral 'coin lesion' in the right mid-lung field as a neoplasm, rather than a granuloma?
Which one of the following best describes the growth pattern of the peripheral 'coin lesion' in the right mid-lung field?
Which one of the following best describes the growth pattern of the peripheral 'coin lesion' in the right mid-lung field?
Which one of the following best describes the growth pattern of the firm nodule on the dome of the uterus?
Which one of the following best describes the growth pattern of the firm nodule on the dome of the uterus?
Which one of the following best describes the clinical presentation of the patient with the firm nodule on the dome of the uterus?
Which one of the following best describes the clinical presentation of the patient with the firm nodule on the dome of the uterus?
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Which one of the following best describes the biologic characteristic that distinguishes the peripheral 'coin lesion' in the right mid-lung field as a neoplasm, rather than a granuloma?
Which one of the following best describes the biologic characteristic that distinguishes the peripheral 'coin lesion' in the right mid-lung field as a neoplasm, rather than a granuloma?
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Which one of the following best describes the biologic characteristic that distinguishes the firm nodule on the dome of the uterus as a neoplasm?
Which one of the following best describes the biologic characteristic that distinguishes the firm nodule on the dome of the uterus as a neoplasm?
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Which one of the following best describes the biologic characteristic that distinguishes the peripheral 'coin lesion' in the right mid-lung field as a neoplasm?
Which one of the following best describes the biologic characteristic that distinguishes the peripheral 'coin lesion' in the right mid-lung field as a neoplasm?
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Which suffix is added to the tissue type to name benign tumors?
Which suffix is added to the tissue type to name benign tumors?
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Which of the following is an example of a benign tumor?
Which of the following is an example of a benign tumor?
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What is the term for tumors that are capable of invasion and destruction of adjacent normal tissues?
What is the term for tumors that are capable of invasion and destruction of adjacent normal tissues?
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Which suffix is added to the presumed histogenetic origin to name malignant tumors of epithelial origin?
Which suffix is added to the presumed histogenetic origin to name malignant tumors of epithelial origin?
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Which term refers to the lack of differentiation in a tumor?
Which term refers to the lack of differentiation in a tumor?
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Which of the following is a morphologic predictor of malignancy at the cellular level?
Which of the following is a morphologic predictor of malignancy at the cellular level?
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Which type of spread is typically seen in intraperitoneal seeding of tumors?
Which type of spread is typically seen in intraperitoneal seeding of tumors?
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Which of the following is an example of local invasion by a malignant tumor?
Which of the following is an example of local invasion by a malignant tumor?
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Which of the following is a characteristic of malignant tumors?
Which of the following is a characteristic of malignant tumors?
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Which of the following is the most likely diagnosis for the uterine nodule that was examined microscopically and revealed benign smooth muscle cells?
Which of the following is the most likely diagnosis for the uterine nodule that was examined microscopically and revealed benign smooth muscle cells?
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A healthy 22-year-old woman has a routine physical examination and a discreet, firm, rubbery, movable mass is found in the left breast. She has no axillary lymphadenopathy. The skin overlying the breast and the nipple appear normal. Which of the following neoplasms is most likely to be present?
A healthy 22-year-old woman has a routine physical examination and a discreet, firm, rubbery, movable mass is found in the left breast. She has no axillary lymphadenopathy. The skin overlying the breast and the nipple appear normal. Which of the following neoplasms is most likely to be present?
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A 32-year-old woman with dull pelvic pain undergoes an abdominal ultrasound that reveals an 8 cm mass involving the right ovary. The mass is surgically excised and is smooth, not adherent to surrounding structures, and filled with hair on sectioning. Microscopically, there is squamous epithelium, tall columnar glandular epithelium, cartilage, and fibrous connective tissue. What is the most likely diagnosis for this mass?
A 32-year-old woman with dull pelvic pain undergoes an abdominal ultrasound that reveals an 8 cm mass involving the right ovary. The mass is surgically excised and is smooth, not adherent to surrounding structures, and filled with hair on sectioning. Microscopically, there is squamous epithelium, tall columnar glandular epithelium, cartilage, and fibrous connective tissue. What is the most likely diagnosis for this mass?
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A 62-year-old man complains of pain on urination. On cystoscopy, a slightly erythematous 1 cm diameter area is seen on the bladder wall. This area is biopsied and microscopically, the epithelium shows cells with marked hyperchromatism and increased nuclear/cytoplasmic ratio involving the full thickness. However, these changes are confined to the epithelium above the basement membrane. What best describes this process?
A 62-year-old man complains of pain on urination. On cystoscopy, a slightly erythematous 1 cm diameter area is seen on the bladder wall. This area is biopsied and microscopically, the epithelium shows cells with marked hyperchromatism and increased nuclear/cytoplasmic ratio involving the full thickness. However, these changes are confined to the epithelium above the basement membrane. What best describes this process?
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A lump is felt in the right breast of a 56-year-old woman. The physician palpates an irregular 3 cm mass that is fixed to the overlying skin, which is retracted. A mastectomy is performed and the pathologist finds a 3 x 3.5 cm ovoid mass that infiltrates into the surrounding fibrofatty breast stroma. The mass is firm, white, and has a fibrous consistency. What feature is demonstrated by the gross appearance of this mass?
A lump is felt in the right breast of a 56-year-old woman. The physician palpates an irregular 3 cm mass that is fixed to the overlying skin, which is retracted. A mastectomy is performed and the pathologist finds a 3 x 3.5 cm ovoid mass that infiltrates into the surrounding fibrofatty breast stroma. The mass is firm, white, and has a fibrous consistency. What feature is demonstrated by the gross appearance of this mass?
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A biopsy is performed on a patient with a mass lesion that proves to be a neoplasm. Of the following histopathologic findings, which one best indicates that the neoplasm is malignant?
A biopsy is performed on a patient with a mass lesion that proves to be a neoplasm. Of the following histopathologic findings, which one best indicates that the neoplasm is malignant?
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A 60-year-old man with a history of cigarette smoking has a chronic cough and recent weight loss. A chest radiograph reveals a right hilar mass, and sputum cytology shows atypical, hyperchromatic squamous cells. What is the most common initial pathway of spread for this lesion?
A 60-year-old man with a history of cigarette smoking has a chronic cough and recent weight loss. A chest radiograph reveals a right hilar mass, and sputum cytology shows atypical, hyperchromatic squamous cells. What is the most common initial pathway of spread for this lesion?
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Which one of the following best describes the biologic characteristic that distinguishes teratomas from other neoplasms?
Which one of the following best describes the biologic characteristic that distinguishes teratomas from other neoplasms?
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Which one of the following best describes the biologic characteristic that distinguishes choristoma from other congenital anomalies?
Which one of the following best describes the biologic characteristic that distinguishes choristoma from other congenital anomalies?
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Which one of the following best describes the biologic characteristic that distinguishes hamartoma from other benign masses?
Which one of the following best describes the biologic characteristic that distinguishes hamartoma from other benign masses?
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Which one of the following best describes the biologic characteristic that distinguishes mesothelioma from other malignancies?
Which one of the following best describes the biologic characteristic that distinguishes mesothelioma from other malignancies?
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Which one of the following best describes the biologic characteristic that distinguishes myxoma from other benign neoplasms?
Which one of the following best describes the biologic characteristic that distinguishes myxoma from other benign neoplasms?
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Which one of the following best describes the biologic characteristic that distinguishes carcinoma in-situ from other epithelial lesions?
Which one of the following best describes the biologic characteristic that distinguishes carcinoma in-situ from other epithelial lesions?
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Which one of the following best describes the biologic characteristic that distinguishes invasive malignancy from other malignancies?
Which one of the following best describes the biologic characteristic that distinguishes invasive malignancy from other malignancies?
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Which one of the following neoplasms arises from totipotential germ cells?
Which one of the following neoplasms arises from totipotential germ cells?
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Which one of the following is a benign mass of disorganized tissue indigenous to a particular site?
Which one of the following is a benign mass of disorganized tissue indigenous to a particular site?
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Which one of the following is an epithelial lesion confined by a basement membrane, indicating an in-situ lesion?
Which one of the following is an epithelial lesion confined by a basement membrane, indicating an in-situ lesion?
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Which one of the following refers to microscopic loss of the structural and functional differentiation of tumor cells?
Which one of the following refers to microscopic loss of the structural and functional differentiation of tumor cells?
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Which one of the following features are seen in malignant cells but can also be seen in reactive cells?
Which one of the following features are seen in malignant cells but can also be seen in reactive cells?
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Which one of the following is the typical initial spread pattern of squamous cell carcinoma of the lung?
Which one of the following is the typical initial spread pattern of squamous cell carcinoma of the lung?
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Which one of the following characteristics is a defining feature of neoplasms?
Which one of the following characteristics is a defining feature of neoplasms?
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