What is the definition of Muscle Atrophy?

A stork bite is a common type of birthmark seen in a newborn. It is most often temporary.

The medical term for a stork bite is nevus simplex. A stork bite is also called a salmon patch.

What are the alternative names for Muscle Atrophy?

Salmon patch; Nevus flammeus

What are the causes for Muscle Atrophy?

Stork bites occur in about one third of all newborns.

A stork bite is due to a stretching (dilation) of certain blood vessels. It may become darker when the child cries or the temperature changes. It may fade when pressure is put on it.

What are the symptoms for Muscle Atrophy?

A stork bite usually looks pink and flat. A baby may be born with a stork bite. It may also appear in the first months of life. Stork bites may be found on the forehead, eyelids, nose, upper lip, or back of the neck. Stork bites are purely cosmetic and do not cause any symptoms.

Stork bite

What are the current treatments for Muscle Atrophy?

No treatment is needed. If a stork bite lasts longer than 3 years, it may be removed with a laser to improve the person's appearance.

What is the outlook (prognosis) for Muscle Atrophy?

Most stork bites on the face go away completely in about 18 months. Stork bites on the back of the neck usually do not go away.

When should I contact a medical professional for Muscle Atrophy?

The provider should look at all birthmarks during a routine well-baby exam.

How do I prevent Muscle Atrophy?

There is no known prevention.


Gehris RP. Dermatology. In: Zitelli BJ, McIntire SC, Nowalk AJ, eds. Zitelli and Davis' Atlas of Pediatric Physical Diagnosis. 7th ed. Philadelphia, PA: Elsevier; 2018:chap 8.

Habif TP. Vascular tumors and malformations. In: Habif TP, ed. Clinical Dermatology. 6th ed. Philadelphia, PA: Elsevier; 2016:chap 23.

Long KA, Martin KL. Dermatologic diseases of the neonate. In: Kliegman RM, St. Geme JW, Blum NJ, Shah SS, Tasker RC, Wilson KM, eds. Nelson Textbook of Pediatrics. 21st ed. Philadelphia, PA: Elsevier; 2020:chap 666.

  • Condition: Critical Illness
  • Journal: Zhonghua wei zhong bing ji jiu yi xue
  • Treatment Used: Intermittent Feeding and Continuous Feeding
  • Number of Patients: 59
  • Published —
The study compared the outcomes between intermittent feeding and continuous feeding in critically ill patients.
Clinical Trial
  • Status: Recruiting
  • Intervention Type: Drug
  • Participants: 300
  • Start Date: November 2, 2017
Specified Drug-Use Survey of Leuprorelin Acetate Injection Kit 11.25 mg All-Case Investigation: Spinal and Bulbar Muscular Atrophy (SBMA)
Clinical Trial
  • Status: Not yet recruiting
  • Phase: N/A
  • Intervention Type: Device, Diagnostic Test
  • Participants: 150
  • Start Date: December 1, 2019
Assessing the Reliability and Validity of Ultrasound to Evaluate Large Muscle Atrophy in the Lower Limbs