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Jacobs syndrome



Jacobs syndrome: Introduction

A rare chromosomal genetic syndrome where the male person has an extra Y male chromosome, becoming XYY instead of normal XY (male) or XX (female). The person is male and may be mostly normal, or may suffer from minor features from excess male hormones, such as excess acne being very tall, and in some cases behavioral complaints such as aggression.

Symptoms of Jacobs syndrome

See full list of 9 symptoms of Jacobs syndrome

Jacobs syndrome: Complications

Review possible medical complications related to Jacobs syndrome:

Medical Textbooks Online about Jacobs syndrome

Medical Books Excerpts
  • "A Pocket Manual of Differential Diagnosis" (1999)
  • "Professional Guide to Diseases (Eighth Edition)" (2005)
  • "Professional Guide to Diseases (Eighth Edition)" (2005)
  • "Handbook of Diseases" (2003)
  • "Handbook of Diseases" (2003)
  • "The 5-Minute Pediatric Consult" (2008)

Book excerpts: Copyright © 2008 Lippincott Williams & Wilkins. All rights reserved.

Less Common Symptoms of Jacobs syndrome

Read more about symptoms of Jacobs syndrome

Wrongly Diagnosed with Jacobs syndrome?

Causes of Jacobs syndrome

See full list of 114 causes of Jacobs syndrome

Read more about causes of Jacobs syndrome.

More information about causes of Jacobs syndrome:

News Archives for Jacobs syndrome

Medical news articles related to Jacobs syndrome include:

Source: HealthDay News

Videos for Jacobs syndrome

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See full list of 4 related videos

Patient Surveys for Jacobs syndrome

Statistics for Jacobs syndrome

Jacobs syndrome: Broader Related Topics

Types of Jacobs syndrome

Stories from Users Related to Jacobs syndrome

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User Interactive Forums

Read about other experiences, ask a question about Jacobs syndrome, or answer someone else's question, on our message boards:

Definitions of Jacobs syndrome:

Jacobs syndrome is listed as a "rare disease" by the Office of Rare Diseases (ORD) of the National Institutes of Health (NIH). This means that Jacobs syndrome, or a subtype of Jacobs syndrome, affects less than 200,000 people in the US population.
Source - National Institutes of Health (NIH)

Ophanet, a consortium of European partners, currently defines a condition rare when it affects 1 person per 2,000. They list Jacobs syndrome as a "rare disease".
Source - Orphanet


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