non-small cell lung cancer

Non-Small Cell Lung Cancer (NSCLC)

Non-small cell lung cancer (NSCLC) accounts for approximately 85% of all lung cancer cases. It encompasses several histological subtypes, including adenocarcinoma, squamous cell carcinoma, and…
non-hodgkin's lymphoma

Non-Hodgkin’s Lymphoma

Non-Hodgkin’s lymphoma (NHL) is a heterogeneous group of blood cancers that affect the lymphatic system, part of the body’s immune defense. Unlike Hodgkin's lymphoma, NHL…
nocardiosis

Nocardiosis

Nocardiosis is a rare but potentially severe opportunistic bacterial infection caused by species of the Nocardia genus. These gram-positive, filamentous bacteria primarily affect the lungs,…
niemann pick disease type c

Niemann Pick Disease Type C

Niemann Pick disease type C (NPC) is a rare, inherited lysosomal storage disorder that affects lipid metabolism, leading to progressive neurological decline. It results from…
neurotrophic keratitis

Neurotrophic Keratitis

Neurotrophic keratitis (NK) is a rare, degenerative corneal disease caused by damage to the trigeminal nerve (cranial nerve V), leading to a loss of corneal…
neurosyphilis

Neurosyphilis

Neurosyphilis is a severe manifestation of Treponema pallidum infection, occurring when syphilis invades the central nervous system (CNS). Although primarily associated with late-stage syphilis, it…