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The doctors’ cheat sheet for diagnosing strange diseases

Meera Senthilingam, for CNN.
Updated 7:19 AM EDT, Thu June 4, 2015
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Visual Dx as an online tool used by doctors to aid in patient diagnosis. It has developed the world's largest medical diagnostic collection with more than 100,000 images curated by experts.
Visual Dx as an online tool used by doctors to aid in patient diagnosis. It has developed the world's largest medical diagnostic collection with more than 100,000 images curated by experts.
courtesy of VisualDx
Most U.S. physicians practicing today have never diagnosed measles. The disease was been eradicated in the country in 2000, but cases can be imported from overseas. Pictured, measles in a child.
Most U.S. physicians practicing today have never diagnosed measles. The disease was been eradicated in the country in 2000, but cases can be imported from overseas. Pictured, measles in a child.
Courtesy VisualDx
With more than 10,000 diseases no recorded, doctors face a myriad of choice when making a diagnosis. The VisualDx app can help them visualize symptoms and discuss options with patients for more accuracy.
With more than 10,000 diseases no recorded, doctors face a myriad of choice when making a diagnosis. The VisualDx app can help them visualize symptoms and discuss options with patients for more accuracy.
Courtesy VisualDx
Many diseases of the cornea -- such as fungal ulcers -- are emergencies requiring immediate recognition and treatment.  Doctors need to diagnoses quickly to prevent long-lasting damage.
Many diseases of the cornea -- such as fungal ulcers -- are emergencies requiring immediate recognition and treatment. Doctors need to diagnoses quickly to prevent long-lasting damage.
courtesy of VisualDx
Increased global travel is causing a rise in travelers returning home with -- and developing symptoms of -- new diseases, such as Chikungunya. The mosquito-borne infection is a challenging diagnosis for U.S. physicians as most have never seen a case.
Increased global travel is causing a rise in travelers returning home with -- and developing symptoms of -- new diseases, such as Chikungunya. The mosquito-borne infection is a challenging diagnosis for U.S. physicians as most have never seen a case.
courtesy of VisualDx
A case of vitiligo in which the body's immune system wrongly "attacks" melanocytes -- the pigment producing cells in the skin and hair follicle.
A case of vitiligo in which the body's immune system wrongly "attacks" melanocytes -- the pigment producing cells in the skin and hair follicle.
Courtesy VisualDx
The deer tick transmits Lyme disease -- common to the northeast and upper Midwest of the USA. Many patients first develop an expanding "bull's-eye-like" rash at the site of the tick bites. The rash can be compared and verified using VisualDx to ensure an accurate diagnosis.
The deer tick transmits Lyme disease -- common to the northeast and upper Midwest of the USA. Many patients first develop an expanding "bull's-eye-like" rash at the site of the tick bites. The rash can be compared and verified using VisualDx to ensure an accurate diagnosis.
Courtesy VisualDx

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