Primary Mediastinal Large B-Cell Lymphoma
Primary mediastinal large B-cell lymphoma (PMBCL) is an aggressive subtype of diffuse large B-cell lymphoma (DLBCL), distinguished by its origin in the thymic (anterior) mediastinum…
Primary Malignant Neoplasm of the Gastrointestinal Tract
Primary malignant neoplasms of the gastrointestinal (GI) tract refer to cancers originating within the various sections of the GI system, which includes the esophagus, stomach,…
Primary Insulin-Like Growth Factor-1 Deficiency
Primary Insulin-Like Growth Factor-1 Deficiency (PIGFD), also known as Laron syndrome or growth hormone insensitivity syndrome, is a rare congenital disorder characterized by the body's…
Primary Immune Deficiency Disorder
Primary Immune Deficiency Disorder (PIDD) refers to a group of over 400 rare, chronic disorders in which part of the body’s immune system is either…
rimary Hypogonadism Due to Orchitis
Primary hypogonadism is defined as testicular failure that results in inadequate production of testosterone and impaired spermatogenesis. When the etiology is orchitis—an inflammatory condition of…
Primary Hypogonadism Due to Bilateral Torsion of Testes
Primary hypogonadism is a clinical condition characterized by impaired testicular function resulting in reduced testosterone production and/or impaired spermatogenesis. When this condition arises as a…
Primary Hyperoxaluria Type I (PH1)
Primary Hyperoxaluria Type I (PH1) is a rare autosomal recessive genetic disorder characterized by the overproduction of oxalate, a metabolic end product that the body…
Primary Genital Syphilis
Primary genital syphilis represents the first stage of syphilis infection, caused by the spirochete bacterium Treponema pallidum. Characterized by the appearance of a painless genital…
Primary Focal Hyperhidrosis of Axilla
Primary focal hyperhidrosis of the axilla is a chronic condition characterized by excessive underarm sweating that occurs without identifiable medical cause. Unlike secondary hyperhidrosis, which…
Primary Dysbetalipoproteinemia
Primary dysbetalipoproteinemia, also known as type III hyperlipoproteinemia, is a rare genetic lipid metabolism disorder characterized by the improper clearance of remnant lipoproteins from the…
