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Weekly News Quiz

Image of a rash on a person's back

Make the Diagnosis: Be Careful--Really Careful--With Heating Pads

A 38-year-old woman visited her doctor for discoloration that had developed on her trunk 2 months prior. Can you diagnose the patient

Photo of a young boy with facial lesions.

Make the Diagnosis: This Cluster of Umbilicated Papules Suggests…?

An 8-year-old-boy was brought to the doctor by his father for evaluation of painless facial lesions that were present for 3 weeks. Can you diagnose the patient?

Photo of a swollen knee with smooth, crusted and scaly, erythematous and whitish papules and nodules.

Make the Diagnosis: What Caused this Child’s Knee Lesions?

A mother brought her 7-year-old son to the doctor concerned about asymptomatic lesions that had developed on his knees over the past couple of weeks.

Illustration of two legs and feet with ankle swelling

Make the Diagnosis: When an 'Innocuous' Ankle Injury Isn’t

A 52-year-old woman presented to the doctor with left anterior ankle pain and foot swelling, decreased range of motion, and gait disturbance that had developed steadily over the past 4-6 weeks. Can you diagnose the patient?

An image of a man's nose with a bump on it.

Make the Diagnosis: This Bump on His Nose is a Tricky Diagnosis

A 52-year-old man visited his doctor for a new growth on his nose. Can you diagnosis the patient?

A person's arm with furunculosis

Make the Diagnosis: Why Are These Lumps Here?

A 33-year-old woman went to the doctor after noticing painful lumps on her legs that had developed over the past few days, some of which had begun to drain pus. Can you diagnose the patient?

VisualDx image of Anetoderma

Make the Diagnosis: His Skin Is Slacking Off

A 43-year-old man presented to the doctor with a rash that had developed on his trunk over the last couple of days.

Top of persons head with hair loss

Make the Diagnosis: Increased Hair Loss and 'White Bulbs' -- What’s Up?

A 55-year-old woman visited her doctor after noticing that the hair on her scalp was falling out at an increased rate over the last 3 months.

Make the Diagnosis: She’s Too Young for Lines on Her Face

A 9-year-old girl was brought to the doctor by her mother after noticing a rash that had developed on the girl's face over the past week.

Make the Diagnosis: Fever and Flank Pain -- What’s Up?

A 31-year-old man went to urgent care complaining of fever and chills lasting a few days, which he originally thought was the flu.

Make the Diagnosis: Did You Leave Something Behind?

A 30-year-old man went to the doctor concerned about a red papule that had developed on his hand over the last few weeks.

Make the Diagnosis: Don’t Worry, Baby

A mom brought her 14-month-old daughter to the pediatrician after noticing a linear lesion that was developing on her face.

Make the Diagnosis: Facial Ulcer - You Can’t Make this Up

A 48-year-old woman who frequently saw her doctor for various complaints, despite being in excellent physical health, came to the office concerned about a single lesion on her cheek/face.

Make the Diagnosis: A Skin Fold Wrinkle

An obese 46-year-old man went to the doctor complaining of a painful skin lesion located between folds of skin that were touching each other.

Make the Diagnosis: At Least this Groom Doesn’t have Cold Feet

Just a few days after returning from his honeymoon at a Brazilian beach resort, a 29-year-old man went to his primary care doctor complaining of extremely pruritic toes and feet. After he started scratching, he noticed some small black dots, umbilicated papules, and crusts on the soles and at the tip of his toes under the nail. He had been finding it uncomfortable to walk since the last day of the trip. Can you diagnose the patient?

Make the Diagnosis: Itchy Fingers from IV Therapy?

Case Findings: A 48-year-old woman who was receiving IV immunoglobulin therapy complained to her doctor that over the past few weeks small vesicles had formed along the sides of her fingers. Some had ruptured and become scaly papules. Her fingers were extremely pruritic, and she said it was "driving her crazy." Can you diagnose the patient?

Make the Diagnosis: More Than a Mosquito Bite

Case Findings: A 52-year-old man who had returned from an end-of-summer camping trip in Vermont two weeks earlier went to the doctor complaining of a severe headache in the front of his head and a widespread rash of blanching macules. The illness had started a few days earlier with just a mild fever, myalgias, and some loss of appetite. Despite feeling terrible, he joked that his trip was fun, but he's pretty sure the mosquito is the unofficial bird of Vermont. What is your diagnosis?

Make the Diagnosis: A Toddler with Swollen Eyelids

Case Findings: A 4 year old male child is brought to your office by his mother who notes that his right eyelids have seemed red and swollen for the past 24 hours. She says that the child was outside playing in the backyard yesterday and thinks he was stung by a bee over the right upper eyelid. The redness and swelling began soon after. Although the child is in some discomfort, he seems otherwise well and is afebrile. On examination there is mild-moderate edema of the upper and lower eyelids but no apparent proptosis. Visual acuity is 20/20 bilaterally with normal extraocular movements, pupillary responses, and IOPs. What is the most likely diagnosis?

Make the Diagnosis: Callus Conundrum

Case Findings: A 52-year-old man presents with possible calluses on either side of his thumb, forefinger, and middle finger. He reports cutting them off with nail clippers, but they return. He also reports using an over-the-counter wart treatment without success. What is your diagnosis?

Make the Diagnosis: Strange Syncope

Case Findings: A 56-year-old male presents with multiple episodes of syncope. One episode occurred while driving his motorcycle, causing him to sustain multiple nonsurgical cervical spine fractures. An MRI of the brain was obtained. What is your diagnosis?

Make the Diagnosis: More Than A Rash

Case Findings: A 51-year-old woman visited her primary care doctor complaining of a rash, pruritus, myalgias, and muscle weakness that made normally easy tasks like standing from a seated position difficult. The rash was an erythematous blanching patch, spread across her back and shoulders like a shawl and across her chest in a V shape. She had also noticed that her fingernail folds were red and swollen. What is your diagnosis?

Make the Diagnosis: Leg Lesion Teaser

Case Findings: A 47-year-old woman undergoing chemotherapy for breast cancer noticed several red, flaccid bullae on her leg. She was also experiencing fever, cough, and shortness of breath, which developed quickly, so she went to the ED. What is your diagnosis?

Make the Diagnosis: Back Lesion Worries Derm's Wife

A middle-aged couple comes into your office. The wife is concerned about a strange looking growth on her husbands upper back that she feels has been stable for the past two years. She tells you that her husband is a dermatologist, but rarely uses sunscreen despite all the advice he gives his patients. The husband tells you that he would like to be a back model again someday if you could just get rid of this growth. What's your diagnosis?

Make the Diagnosis: Why Did This Toddler Stop Walking?

Case Study: A fourteen-month-old boy had abruptly stopped bearing weight on his left lower extremity. Parents reported no history of trauma to the limb, but the boy’s medical history included undescended testes. On presentation, the patient had a fever of 100.4°F, which rose to 101.5°F He held his left leg externally rotated and flexed at the hip and refused to extend or bear weight on the limb or crawl. The left hip was tender, but without any palpable masses. He showed minimal signs of discomfort with passive rotation and axial loading. The passive range of motion of the hip showed limitations in extension and adduction.

Make the Diagnosis: Cutaneous nodule

A 68-year-old farmer presents for evaluation of a painless, solitary nodule that rapidly developed on his left fourth finger 3 weeks ago. There was no antecedent trauma and he denies joint pain, swelling, or altered range of motion. He feels well otherwise, with no fevers or constitutional symptoms.

Make the Diagnosis: Toe-to-Toe

This 25 year old man says he has had this blister between his toes for about 1 week. He has had a similar problem in the same spot, two times previously. He says is always happens in the winter.

Make the Diagnosis: Iraq War Vet's Rash

Case Findings: A 28-year-old soldier just returned from active duty in Iraq. He said the rash started several weeks ago. It is somewhat pruritic, but otherwise he feels well. He was given doxycycline, but it did not resolve.