Acatalasia (also known as Acatalasemia, Takahara Disease): A rare autosomal recessive disorder resulting from the absence of CATALASE activity. Though usually asymptomatic, a syndrome of oral ulcerations and gangrene may be present.

NIH MeSH · D020642Diseases

Acatalasia

Also known asAcatalasemia · Takahara Disease · Disease, Takahara · Takahara's Disease · Disease, Takahara's · Takaharas Disease · Hypocatalasemia · Hypocatalasia · Catalase Deficiency · Catalase Deficiencies · Deficiencies, Catalase · Deficiency, Catalase

Definition

A rare autosomal recessive disorder resulting from the absence of CATALASE activity. Though usually asymptomatic, a syndrome of oral ulcerations and gangrene may be present.

MeSH classification

  • C16.320.565.663.050
  • C18.452.648.663.050

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Common questions about Acatalasia

What does Acatalasia mean in medicine?
A rare autosomal recessive disorder resulting from the absence of CATALASE activity. Though usually asymptomatic, a syndrome of oral ulcerations and gangrene may be present. This definition is taken from the National Library of Medicine's MeSH (Medical Subject Headings) 2026 release, which is the standard vocabulary used to index PubMed and most medical literature.
Is Acatalasia known by any other names?
Yes. Acatalasia is also referred to as Acatalasemia, Takahara Disease, Disease, Takahara, Takahara's Disease in different clinical, research and patient-facing contexts. The MeSH descriptor groups all of these synonyms under a single canonical concept so research and records stay consistent.
Where does Acatalasia sit in the medical classification?
Acatalasia falls under the broader medical category "Diseases" in the MeSH hierarchy (tree numbers: C16.320.565.663.050, C18.452.648.663.050). Browsing the related concepts on this page takes you to neighbouring topics in the same branch of medicine.
Where can I get a plain-language explanation of Acatalasia?
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Source: NIH MeSH 2026 (D020642) — National Library of Medicine, public domain. View official MeSH record ↗