Articles related to QUIZZES & QUESTIONS

A 51-year-old man presents with a 10-week history of intermittent bright red blood per rectum. His medical history is unremarkable, and he takes no medications. Physical examination reveals normal vital signs and a normal digital rectal examination. Fecal occult blood is positive. A colonoscopy identifies a nonobstructing lesion located 10 cm from the anal verge, while the rest of the colon appears normal. MRI scan results indicate that the lesion is invading into the muscularis but has not breached the full thickness, and there are no abnormal lymph nodes detected. Additionally, a contrast-enhanced CT scan of the chest and abdomen shows no signs of metastases. Biopsy results confirm the presence of adenocarcinoma. What is the most appropriate treatment for this patient?

A 75-year-old man visited the dermatology clinic with concerns about multiple actinic keratoses and a black discoloration on his right hand and fingers. It is noteworthy that over the past 12 to 14 years, during his retirement, the patient has experienced black discoloration on his right hand after peeling apples for pies multiple times each year. This discoloration occurs on the hand that holds his carbon knife and stainless steel peeler and typically disappears within a few days. Upon examination, the right palm exhibited black macular discoloration along the skin lines, particularly prominent on the palmar aspect of the fingers. The patient’s hands also displayed dryness and roughness upon palpation. Can you identify the diagnosis?

Do you understand how to protect your patients and team from biofilm that can build in dental unit waterlines (DUWLs)? Take this quiz to see how well you understand this critical safety issue.

This woman presented to the emergency room stating she had been the victim of an assault. What in her findings support the explanation for her injury?

Headaches have increased in frequency from about once weekly to more than four-times-a-week in this patient with a 25-year headache history. He is on amitriptyline and has increased his sumatriptan dose to five times weekly. PE and contrast MRI are normal. What’s next?

Chest CT in this young woman with a history of smoking and chronic hypoxemia of unknown cause shows diffuse ground-glass opacities and some areas of peripheral consolidation with no basilar reticulations or honeycombing. Biopsy showed extensive alveolar filling with pigment-laden macrophages. What’s your diagnosis?