1.
A 3-year-old boy presents to the physician's office with an asymptomatic neck mass located in the midline, just below the level of the thyroid cartilage. The mass moves with deglutition and on protrusion of the tongue. For the above patient with a neck mass, select the most likely diagnosis.
2.
A 45-year-old man presents to the physician's office for evaluation of a posterior neck mass. The mass has been present for years, but has slowly enlarged over the last 2 years. Examination reveals a subcutaneous mass that is soft, nontender, and movable. For the above patient with a neck mass, select the most likely diagnosis.
3.
A 6-year-old boy presents to the emergency department with a cough, sore throat, and malaise of 4 days' duration. Examination reveals a temperature of 101.5
4.
A 50-year-old woman presents to the physician's office for evaluation of a right neck mass. The mass has been present for 3 years and is painless. On examination, a nontender, firm, 2.5-cm mass is noted slightly below and posterior to the angle of the mandible on the right. For the above patient with a neck mass, select the most likely diagnosis.
5.
A 35-year-old woman presents to the physician's office for evaluation of a left neck mass discovered 1 month ago on a routine physical examination. On examination, the mass measures 2 cm and is located anterolateral to the larynx and trachea. It is nontender and moves with swallowing. Past history is pertinent for a 15 pack-year smoking history and occasional alcohol intake. For the above patient with a neck mass, select the most likely diagnosis.
6.
A 55-year-old man presents to the physician's office with complaints of hoarseness and left neck fullness for the past month. On examination, a firm, movable, left submandibular mass is noted. Past history is pertinent for a 30 packyear smoking history with occasional alcohol intake. For the above patient with a neck mass, select the most likely diagnosis.
7.
A 50-year-old man presents to the emergency department for increasing abdominal distention and jaundice over the last 46 weeks. Examination reveals mild jaundice, spider angiomas, and ascites. Enlarged veins are noted around the umbilicus. For above patient with jaundice, select the one most likely diagnosis.
8.
A75-year-old man is brought to the emergency department by his family for evaluation of jaundice. He complains of pruritus of 2 weeks' duration and a recent 10-lb weight loss. On examination, he is deeply jaundiced and has a nontender, globular mass in the right upper quadrant of the abdomen that moves with respiration. For above patient with jaundice, select the one most likely diagnosis.
9.
A 75-year-old woman is brought to the emergency department from the nursing home for jaundice and mental confusion. The nursing home notes state that she has become less responsive and has developed jaundice over the last 2 weeks. Past history is pertinent for hypertension, diabetes, and prior colon resection for cancer at age 55. Examination reveals mild jaundice with vital signs of temperature 101.5
10.
A 65-year-old man presents to the physician's office with complaints of abdominal discomfort and jaundice for the past 3 weeks. Past history is pertinent for 30 pack-year smoking history, occasional alcohol intake, and a 5.5-mm ulcerating melanoma removed from his back 21/2 years ago. Examination reveals a mildly jaundiced patient with normal vital signs and a slightly distended abdomen with mild right upper quadrant tenderness and significant hepatomegaly. For above patient with jaundice, select the one most likely diagnosis.