A 48-year-old female presents with complaints of irregular vaginal bleeding and postcoital bleeding. Images from a PET/CT and pelvis MRI reveal characteristic findings. What is your diagnosis?

A 52-year-old man presented with an erythematous lesion in the axilla of unknown duration. Surgical excision was performed. What is your diagnosis?

A 70-year-old man with a history of localized prostate cancer treated with whole-pelvis radiation therapy with a boost to the prostate, in conjunction with androgen deprivation therapy 7 years prior, presented with lower back pain. A bone scan revealed an area of activity in the sacrum. What is the most likely diagnosis?

A 49-year-old woman insidiously developed spotty depigmentation of the chest along with thickened and bound-down skin of the upper torso. In addition, all of her fingers were swollen and her facial skin became so tight that she had difficulty smiling. What is her diagnosis?

A 45-year-old man presented with swelling of the parotid gland. At physical examination a mass at the level of the parotid gland was found. Surgical resection of the mass was performed. What is your diagnosis?

A 47-year-old male with complaints of chronic abdominal pain and episodes of flushing presents for evaluation. What is your diagnosis?

A 71-year-old man with a smoking history of more than 100 pack-years developed non–small-cell carcinoma of the lung. During his an infusion of vancomycin he developed flushing, followed by widespread fixed erythema, muscular spasms in the back, and transient but severe hypotension. Can he ever receive vancomycin again?

A 3-year-old child is evaluated for leukocoria (white pupil) of the right eye. Ophthalmic evaluation revealed the presence of a mass behind the lens. Surgical removal of the right eye was performed. What is your Diagnosis?

A 38-year-old man consults for a small subcutaneous nodule of approximately 2 cm in diameter. Surgical excision of the tumor nodule is performed. What is your diagnosis?

A healthy 24-year-old male presented with a history of several months of poorly localized headaches and blurred vision. MRI of the brain demonstrated a multi-lobulated mass. Based on the radiographic appearance of the mass, what is the most likely diagnosis?

A 42-year-old woman undergoes total hysterectomy due to uterine leiomyomata. A fallopian tube small tumor of about 1.5 cm is identified. What is your diagnosis?

A 28-year-old man presents with testicular pain of several weeks duration. Physical examination discloses the presence of a right testicular mass. Orchiectomy is performed. What is your Diagnosis?

A 53-year-old woman presented with abominal pain. Physical examination and radiographic imaging shows the presence of an abdominal mass. Biopsy of the mass was performed. What is your diagnosis?

A 34-year-old woman presents with pain in her left chest. Radiographic imaging shows the presence of nodules in the pleural surface. Surgical excision is performed. What is your diagnosis?

A 62-year-old man presented with symptoms of nasal congestion. Physical and radiographic imaging shows the presence of a nasal mass. Biopsy was performed. What is your diagnosis?

A healthy 45-year-old woman undergoes an MRI for persistent headaches. The headaches resolve with conservative management. However, there is an incidental finding on the MRI of a homogeneously enhancing mass in the right jugular foramen. What is your diagnosis?

A 56-year-old woman presents with hypoglycemia and chest pain. Radiographic imaging shows the presence of a large thoracic mass that appears to be attached to the pleura. What is your diagnosis?

Several years ago, a 44-year-old nonsmoking Taiwanese immigrant to the United States sought medical attention for the skin eruption depicted. This disorder had been present since he was 25; he notes an involuntary 35-pound weight loss and increasing fatigue. What is the patient’s skin disease?

A 43-year-old man presented with abdominal pain. Radiographic imaging shows the presence of multiple liver nodules. Wedge resection was performed. What is your diagnosis?

A 38-year-old man presents with a history of pain and swelling in the left forearm. Physical examination shows the presence of a soft-tissue mass. Surgical resection is performed. What is your diagnosis?

A 60-year-old woman with a history of hypothyroidism and smoking presents to the emergency department after she notices that her gait is unsteady. She has no history of cancer and otherwise feels well. A CT scan of the brain is obtained, followed by an MRI.

A 48-year-old man presented with symptoms of chest and back pain. Radiographic imaging shows the presence of a posterior mediastinal mass. Surgical resection was performed.

A 74-year-old, previously healthy, nonsmoking Caucasian male presented with a 4-month history of an asymptomatic “lump” in the navel. Biopsy of the umbilical nodule revealed adenocarcinoma. What eponym is attached to the umbilical lesion?

A 29-year-old young man presented with symptoms of pain in the lower portion of his right leg. At physical examination a mass was palpated just above the right ankle. What is your diagnosis?

A 27-year-old woman complain of dyspnea of several weeks duration. Chest radiographic films show bilateral infiltrates in the manner of a sandstorm. An open lung wedge biopsy is taken.