Christopher Rizk, MD

Contributing Writer https://www.clinicaladvisor.com

Christopher Rizk, MD, is a contributor to the dermatological section of Haymarket Medical Network. He holds a BA in biochemistry and cell biology from Rice University, along with an MD from Baylor College of Medicine. After receiving his medical degree, Christopher completed his dermatology residency at Baylor College of Medicine in Houston, Texas.

All articles by Christopher Rizk, MD

Dermatologic Look-Alikes

Multiple Pustular Eruptions

Alexandria Brown, BSA

Shravya Pothula, BS

Emily Burns, BA

Christopher Rizk, MD

June 29, 2020

Multiple pustular eruptions are present on patients.

Dermatologic Look-Alikes

Congenital Nevi in Infants

Niki Iranpour, BS

Emily Burns, BA

Christopher Rizk, MD

May 28, 2020

Two infants present with dark patches on their lower backs.

Dermatologic Look-Alikes

Blistering Cutaneous Ulcerations

Riyad N. H. Seervai

Eleanor Johnson

Christopher Rizk, MD

April 23, 2020

Case 1 A 12-year-old boy presents to the dermatology clinic with a reddish-brown rash. His mother reports that the rash started as reddish-brown spots and has become very itchy, often keeping her son up at night. She is concerned that it may be varicella zoster virus infection. Physical examination reveals scaly, erythematous macules with areas…

Dermatologic Look-Alikes

Large, Scaly Erythematous Patches

Jay M Patel

Yelena Dokic, BSA

Christopher Rizk, MD

March 26, 2020

Case 1 A 65-year-old man presents to the clinic with a large rash on his torso. On physical examination, the patient has multiple scaly erythematous patches on his chest and abdomen. When asked about the history of the rash, the patient mentions that he has had “on and off rashes around this region for several…

Dermatologic Look-Alikes

Erythematous Facial Rash

Claire Wiggins

Michelle Eugene Lee

Christopher Rizk, MD

December 23, 2019

A teenaged girl is brought to the clinic by her mother for evaluation of a rash on her face and back.

Dermatologic Look-Alikes

Rash With Burning and Pruritus

Jessica Sheu, BA

Michelle Eugene Lee

Christopher Rizk, MD

November 22, 2019

Case 1 A 54-year-old man with a history of asthma presents to clinic in the springtime with a burning, itchy rash on his lateral neck. On physical examination an erythematous plaque with scale is noted around his entire neck. The patient says that he has tried applying moisturizer but without relief. Upon further questioning, the…

Dermatologic Look-Alikes

New Onset of Verrucous Papules

Rachel E. Graubard

McKenna E. Boyd

Christopher Rizk, MD

October 23, 2019

Case 1 A 42-year-old white man presents for his annual skin check with complaints of a waxy, brown papule on his back. He reports that he scratched it off on several occasions recently, but it returned each time. He states that the lesion is a nuisance, but it does not itch, bleed, or cause pain.…

Dermatologic Look-Alikes

Erythematous, Pruritic Plaques

Kaitlyn Lea Streight

Michelle Eugene Lee

Christopher Rizk, MD

September 25, 2019

Case 1 A 30-year-old man presents to the office for a mildly itchy rash over a large area of his body that has been worsening for the past 6 months. He states that the rash started on his elbows and knees and has quickly spread to his torso and extremities. He has tried several home…

Dermatologic Look-Alikes

Gradual Development of Ulcerating Lesions

Yelena Dokic, BSA

McKenna E. Boyd

Christopher Rizk, MD

August 22, 2019

Case 1 A 63-year-old white man presents to the dermatologist with a 0.8-cm pink, pearly papule with a central core on the left nasal ala that appeared approximately 1 year ago and has slowly grown in size. The lesion has telangiectasias on the surface and periphery. He states that the lesion occasionally bleeds, especially if…

Dermatologic Look-Alikes

Macules With Irregular Borders

Eleanor Johnson

McKenna E. Boyd

Christopher Rizk, MD

June 20, 2019

Case 1 A 45-year-old man presents to your office because a mole on his arm has been changing over the past several months. He has no significant medical history but has been a patient of yours for the past 10 years after his mother was diagnosed with skin cancer. As a teenager, he frequently visited…

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