25,729 articles
Mutilating palmoplantar keratoderma with periorificial keratotic plaques
Mutilating palmoplantar keratoderma with periorificial keratotic plaques, or Olmsted syndrome, is a rare hereditary TRPV3-related genodermatosis causing mutilating palmoplantar keratoderma, periorificial plaques, alopecia, and itch.
Mutism
Muteness (mutism): inability to produce oral-verbal expression despite normal comprehension, seen in brain disease (frontal lobe, cerebellar, akinetic mutism), psychosis, and selective mutism, an anxiety disorder.
Mutrasangrahaniya kvatha curna
Mutrasangrahaniya kvatha curna (Mūtrasaṅgrahaṇīya kaṣāya cūrṇa, AFI000579) is an Ayurvedic ten-ingredient coarse powder boiled into a decoction; dose 48 g in divided doses, indicated for polyuria (bahumūtra) and prameha (diabetes).
Mutravirecaniya kvatha curna
Mutravirecaniya kvatha curna (Mūtravirecanīya Kaṣāya Cūrṇa, AFI 4:18) is an Ayurvedic coarse-powder decoction formulation, dose 48 g in divided doses, with ten plant ingredients, used traditionally as a diuretic for dysuria (mūtrakṛcchra).
Muzolimine
Muzolimine is a pyrazolone loop diuretic, developed as BAY g 2821, that acts in the loop of Henle; introduced in Europe in 1987, it was withdrawn after two years for neurological toxicity.
MV Hondius hantavirus outbreak
MV Hondius hantavirus outbreak: 2026 Andes virus (ANDV) cluster aboard a Dutch expedition cruise ship sailing from Ushuaia; 13 cases, 3 deaths, first shipborne ANDV outbreak, declared over 2 July 2026.
MV4-11
MV4-11 (MV-4-11) human leukemia cell line from a 10-year-old male with biphenotypic B-myelomonocytic leukemia; KMT2A-AFF1 fusion, FLT3-ITD, TP53 wild-type; standard FLT3-ITD AML model, ATCC CRL-9591.
MWN101
MWN101 is a once-weekly injectable GLP-1, GIP, and glucagon triple agonist from China's Shanghai Minwei Biotechnology, in phase 2 trials for obesity and type 2 diabetes.
My Strange Addiction
My Strange Addiction: TLC reality series (premiered December 29, 2010, revived January 7, 2026) profiling unusual compulsions and fixations, from pica to trichotillomania, with expert commentary and staged interventions.
Myalgia
Myalgia, or muscle pain, ranges from overuse injury to fibromyalgia, polymyalgia rheumatica, infections, and statin-associated myalgia; driven by muscle nociceptors, ATP, protons, and central sensitization.
Myasthenia gravis
Myasthenia gravis is a chronic autoimmune neuromuscular disease causing fatigable weakness, first described by Thomas Willis in 1672, treated with anticholinesterases, thymectomy, immunosuppressants, and newer targeted biologics like efgartigimod and nipocalimab.
Mycetoma
Mycetoma (Madura foot) is a chronic fungal or bacterial infection of skin, tissue, and bone acquired by traumatic inoculation, endemic in the tropical Mycetoma Belt, causing painless swellings with draining grains, treatable poorly, a WHO neglected tropical disease since 2016.
Mycobacterium ulcerans infection
Mycobacterium ulcerans infection, or Buruli ulcer (Bairnsdale ulcer), a neglected tropical skin disease caused by a slow-growing mycobacterium whose toxin mycolactone destroys tissue; confirmed by IS2404 PCR, treated with rifampicin plus clarithromycin.
Mycobacterium w (Mycobacterium indicus pranii): Immuvac and Sepsivac
Mycobacterium w, also called Mycobacterium indicus pranii (MIP), is a heat-killed Indian immunomodulatory mycobacterium marketed as Immuvac and Sepsivac, approved for leprosy and trialed for TB prevention and sepsis.
Mycological Typing Techniques
Mycological typing techniques, or fungal typing, are laboratory procedures for identifying types and strains of fungi, spanning phenotypic biotyping, RFLP, karyotyping, MLST, microsatellite typing, and whole genome sequencing.
Mycopathologia
Mycopathologia, also published 1950-1974 as Mycopathologia et Mycologia Applicata, is a Dutch peer-reviewed medical mycology journal founded in 1938 by W. Junk, co-founded by Redaelli and Ciferri, now published by Springer with a 2025 impact factor of 4.1.
Mycophenolate Mofetil
Mycophenolate mofetil, sold as CellCept, is an immunosuppressant prodrug of mycophenolic acid approved in 1995 to prevent rejection of kidney, heart, and liver transplants, and used off label for autoimmune diseases.
Mycophenolate mofetil embryopathy
Mycophenolate mofetil embryopathy (MMF embryopathy) is a drug-induced malformation syndrome from first-trimester exposure to the immunosuppressant mycophenolate, marked by microtia, auditory canal atresia, cleft lip/palate, and ocular coloboma.
Mycophenolic acid
Mycophenolic acid, also known as mycophenolate, is an immunosuppressive compound from Penicillium fungi that inhibits an enzyme lymphocytes need to proliferate; it is given as mycophenolate mofetil to prevent transplant rejection.
Mycoplasma encephalitis
Mycoplasma encephalitis (ORPHA:83482) is a rare infectious encephalitis caused by Mycoplasma pneumoniae, usually after respiratory infection, accounting for 5–30% of encephalitis cases, mostly in children, treated with macrolides, tetracyclines, or fluoroquinolones.
Mycoses
Mycoses are diseases caused by fungal infection, ranging from superficial skin, hair, and nail infections to life-threatening invasive disease; they kill over 1.5 million people yearly.
Mycosis fungoides
Mycosis fungoides, also known as Alibert-Bazin syndrome, is a non-Hodgkin lymphoma of T cells that begins on the skin and may later involve lymph nodes or organs.
Mycotic aneurysm
Mycotic aneurysm, also called infected aneurysm, is arterial dilatation caused by infection, usually bacterial despite the name. Coined by Osler in 1885; treated with prolonged antibiotics plus open or endovascular repair.
Mycotoxicosis
Mycotoxicosis: poisoning of humans or animals by mycotoxins, toxic metabolites of moulds such as Aspergillus, Fusarium, and Claviceps; non-infectious, no antidotes, includes ergotism, aflatoxicosis, and fumonisin disease.
MYD88
MYD88 (myeloid differentiation primary response 88), gene at 3p22.2 encoding a TLR/IL-1R innate immune adapter activating NF-κB; its somatic L265P mutation drives Waldenström macroglobulinemia and ABC DLBCL.
Mydriasis
Mydriasis is abnormal pupil dilation, caused by iris dilator stimulation, sphincter paralysis, trauma, third nerve palsy, Adie tonic pupil, or pharmacologic agents; dilute pilocarpine testing distinguishes pharmacologic from neurologic causes.
Myectomy
Septal myectomy is an open-heart operation that removes part of a thickened heart septum to relieve obstruction in hypertrophic cardiomyopathy, pioneered around 1960 and now among the safest open-heart procedures.
Myelin water imaging
Myelin water imaging (MWI) is an MRI technique that measures the fraction of tissue water trapped within myelin sheaths, giving a specific index of myelin content.
Myelitis
Myelitis is inflammation of the spinal cord, most often discussed as transverse myelitis. Causes include MS, NMOSD, MOGAD, infections, and idiopathic cases; diagnosed by MRI, CSF, and antibody tests.
Myeloablative conditioning
Myeloablative conditioning is high-dose chemotherapy or total body irradiation given before stem cell transplantation to destroy the recipient's bone marrow, reserved for younger, fit patients.