A microdeletion is an abnormality that occurs when a piece of a chromosome is missing. In fact, it's just what it sounds like: micro (tiny); deletion (taken away).

Discover microdeletion syndromes, focusing on types, symptoms, and causes. Learn how they are diagnosed and the available treatment options.

A microdeletion syndrome is a syndrome caused by a chromosomal deletion smaller than 5 million base pairs (5 Mb) spanning several genes that is too small to be detected by conventional cytogenetic …

Over the past decade, the development of novel genomic technologies has allowed more comprehensive, unbiased discovery of microdeletions and microduplications throughout the human …

Jul 21, 2025 · A microdeletion is a genetic anomaly where a small, specific piece of a chromosome is missing. Human cells contain 46 chromosomes organized into 23 pairs, which hold our DNA.

5q31.3 microdeletion syndrome is a very rare disorder. At least eight individuals with the condition have been described in the medical literature. 5q31.3 microdeletion syndrome is caused by a …

Nov 26, 2022 · Microdeletion and Microduplication Syndromes - Etiology, pathophysiology, symptoms, signs, diagnosis & prognosis from the Merck Manuals - Medical Professional Version.

Microdeletions represent a unique group of genetic disorders that can have a significant impact on an individual's health and development. While each microdeletion and microduplication syndrome is rare …

Microdeletion syndromes involve very small deletions of adjacent gene loci (contiguous genes) in a defined chromosome region resulting in clinically recognizable syndromes.

Chromosome 15q13.3 microdeletion syndrome is caused by genetic mutations, also known as pathogenic variants. Genetic mutations can be hereditary, when parents pass them down to their …