Pyridoxine-Dependent Seizure
Pyridoxine-dependent seizure (PDE) is a rare, autosomal recessive genetic disorder characterized by recurrent seizures that are unresponsive to conventional antiepileptic medications but dramatically responsive to…
Pyridoxine Deficiency
Pyridoxine deficiency, commonly referred to as vitamin B6 deficiency, is a medical condition resulting from insufficient levels of pyridoxine, a vital water-soluble vitamin essential for…
Pyoderma Gangrenosum
Pyoderma gangrenosum is a rare, inflammatory skin disorder characterized by painful, rapidly progressing ulcers with undermined borders and surrounding erythema. Although its exact cause remains…
Pyelonephritis
Pyelonephritis is a serious bacterial infection affecting one or both kidneys, often originating from a urinary tract infection (UTI) that has spread upwards. If untreated,…
Pustular Psoriasis
Pustular psoriasis is a rare and severe form of psoriasis characterized by the presence of white, pus-filled blisters (pustules) surrounded by red, inflamed skin. Unlike…
Pure Red Cell Aplasia Associated with Chronic Lymphocytic
Pure red cell aplasia (PRCA) is a rare hematologic syndrome characterized by severe normocytic anemia, reticulocytopenia, and selective absence of erythroid precursors in the bone…
Pure Red Cell Aplasia (PRCA)
Pure red cell aplasia (PRCA) is a rare hematologic disorder characterized by a severe reduction or complete absence of erythroid precursors in the bone marrow,…
Punctate Keratitis
Punctate keratitis is a clinical condition marked by inflammation of the cornea, specifically presenting as multiple small epithelial erosions or opacities. These punctate lesions are…
Punctate Epithelial Keratopathy
Punctate epithelial keratopathy (PEK), also known as superficial punctate keratitis (SPK), is a condition characterized by small, dot-like defects or lesions in the corneal epithelium.…
Pulmonary Tuberculosis
Pulmonary tuberculosis (TB) is a contagious and potentially life-threatening infection caused primarily by Mycobacterium tuberculosis. It most commonly affects the lungs but can spread to…