thrombocytopenic purpura

Thân thiện

A patient with thrombocytopenic purpura has small red spots on their skin.

Definition

Noun: A medical condition characterized by purpura (purple-colored spots or patches on the skin or mucous membranes caused by small blood vessel bleeding) that is associated with thrombocytopenia (an abnormally low level of platelets in the blood). This reduction in circulating blood platelets impairs normal clotting and can result from a variety of factors.

Usage

• This is a medical term used primarily in clinical, diagnostic, and healthcare contexts.
• It names a specific hematologic (blood-related) disorder. It is often preceded by a modifier specifying the cause or type (e.g., , ).

Examples

• The patient was diagnosed with thrombocytopenic purpura after presenting with unexplained bruising and petechiae.
• Immune thrombocytopenic purpura (ITP) is one of the most common forms of the disorder.
• A bone marrow biopsy may be performed to help determine the cause of thrombocytopenic purpura.

Advanced Usage

• The term is frequently part of more specific compound diagnoses. The specific type is critical for determining treatment.
  • Idiopathic thrombocytopenic purpura (ITP): An older term for Immune Thrombocytopenic Purpura, where the immune system mistakenly attacks platelets.
  • Thrombotic thrombocytopenic purpura (TTP): A rare, life-threatening disorder involving blood clots in small blood vessels throughout the body, consuming platelets.

Variants and Related Words

• Thrombocytopenia (n.): The condition of having a low platelet count, which is the defining feature of thrombocytopenic purpura.
• Purpura (n.): The visible symptom of purple skin discolorations caused by bleeding underneath the skin.
• Immune Thrombocytopenia (n.): A modern term often used synonymously with Immune Thrombocytopenic Purpura (ITP), focusing on the cause (immune system) and the main pathology (low platelets).

Synonyms

• Platelet deficiency purpura: A descriptive synonym emphasizing the core mechanism.
• ITP / TTP: Common acronyms for the two primary subtypes (Immune Thrombocytopenic Purpura and Thrombotic Thrombocytopenic Purpura).

Notes on Meaning

• The term itself describes a syndrome (a set of concurrent symptoms) rather than a single disease. The key components are:
  • The clinical sign: Purpura (bleeding into the skin).
  • The laboratory finding: Thrombocytopenia (low platelet count).
  • The association between the two.

Học thuật

Noun

1. purpura associated with a reduction in circulating blood platelets which can result from a variety of factors

Từ đồng nghĩa

• idiopathic thrombocytopenic purpura
• purpura hemorrhagica
• Werlhof's disease