A 45-year-old woman has noted a lump on her left shoulder that has enlarged over the past 4 months. On physical examination there is a palpable non-tender supraclavicular lymph node. A biopsy of the node is performed and on microscopic examination there is a metastatic neoplasm. Which of the following is the most likely primary for this neoplasm?
举一反三
- A 45-year-old woman has noted a lump on her left shoulder that has enlarged over the past 4 months. On physical examination there is a palpable non-tender supraclavicular lymph node. A biopsy of the node is performed and on microscopic examination there is a metastatic neoplasm. Which of the following is the most likely primary for this neoplasm? A: Cerebral glioma B: Fibroadenoma of the breast C: Adenocarcinoma of the stomach D: Liposarcoma of the retroperitoneum E: Laryngeal papilloma
- A 40-year-old woman has noted enlargement of her anterior neck region over the past 8 months. On physical examination her vital signs include T 36.8°C， P 64/minute， RR 16/minute， and BP 155/105 mm Hg. There is diffuse， symmetrical thyroid enlargement without tenderness. A chest radiograph is normal. Fine needle aspiration of the thyroid yields cells consistent with a neoplasm. Laboratory studies show that she is euthyroid， but her serum ionized calcium is elevated. She is taken to surgery and frozen sections of several thyroid masses show a malignant neoplasm composed of polygonal cells in nests. A thyroidectomy is performed. Immunostaining for calcitonin of the permanent sections is positive， and the neoplasm has an amyloid stroma with Congo red staining. Which of the following neoplasms is she most likely to have？（ ） A: Anaplastic carcinoma B: Medullary carcinoma C: Papillary thyroid carcinoma D: Metastatic renal cell carcinoma E: Parathyroid carcinoma
- A 28-year-old woman is undergoing an annual physical examination. An enlarged uterus was found on bimanual examination. No adnexal mass are noted and HCG (-). Rectovaginal examination is unremarkable. Which of the following conditions is the most likely cause of the enlaged uterus.? ( ) A: Pregnancy. B: Leiomyoma. C: Adenomyosis. D: Endometriosis. E: Carcinoma.
- A Node structure in a linked list . A: consists of two parts, one for the node value and the other for a pointer to another node. B: has only one part to store the node value. C: has only one part to store the relationship pointer between the nodes. D: consists of two parts, one for the node value and the other for the number of bytes required by the node.
- A 16-year-old woman is visiting her gynecologist for her first checkup. On ultrasound examination it is noted that the woman has a double uterus. Failure of which of the following processes is responsible for the double uterus? A: Fusion of the inferior parts of the paramesonephric ducts B: Fusion of the superior parts of the mesonephric ducts C: Development of the hymen D: Development of the sinovaginal bulbs E: Fusion of the inferior parts of the mesonephric ducts