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Disease Profile

Mycosis fungoides

Prevalence
Prevalence estimates on Rare Medical Network websites are calculated based on data available from numerous sources, including US and European government statistics, the NIH, Orphanet, and published epidemiologic studies. Rare disease population data is recognized to be highly variable, and based on a wide variety of source data and methodologies, so the prevalence data on this site should be assumed to be estimated and cannot be considered to be absolutely correct.

Unknown

US Estimated

Europe Estimated

Age of onset

Adult

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ICD-10

C84.0

Inheritance

Autosomal dominant A pathogenic variant in only one gene copy in each cell is sufficient to cause an autosomal dominant disease.

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Autosomal recessive Pathogenic variants in both copies of each gene of the chromosome are needed to cause an autosomal recessive disease and observe the mutant phenotype.

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X-linked
dominant X-linked dominant inheritance, sometimes referred to as X-linked dominance, is a mode of genetic inheritance by which a dominant gene is carried on the X chromosome.

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X-linked
recessive Pathogenic variants in both copies of a gene on the X chromosome cause an X-linked recessive disorder.

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Mitochondrial or multigenic Mitochondrial genetic disorders can be caused by changes (mutations) in either the mitochondrial DNA or nuclear DNA that lead to dysfunction of the mitochondria and inadequate production of energy.

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Multigenic or multifactor Inheritance involving many factors, of which at least one is genetic but none is of overwhelming importance, as in the causation of a disease by multiple genetic and environmental factors.

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Not applicable

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Other names (AKA)

Granuloma fungoides; Alibert-Bazin syndrome

Categories

Rare Cancers

Summary

Mycosis fungoides is a disease in which Tcell lymphocytes (a type of white blood cell) become malignant (cancerous) and affect the skin. This condition is one of the most common types of T-cell lymphoma. Mycosis fungoides is characterized by a scaly, red rash that develops on the skin, particularly on areas that are not usually exposed to the sun. The rash may last for months or years without causing any symptoms. Over time, a thin, reddened, eczema-like rash may develop, followed by thickened, red patches of skin. Finally, tumors form which may develop into ulcers and become infected. Mycosis fungoides is difficult to cure. Treatment is usually palliative, with the intention of relieving symptoms and improving the quality of life.[1]

Symptoms

This table lists symptoms that people with this disease may have. For most diseases, symptoms will vary from person to person. People with the same disease may not have all the symptoms listed. This information comes from a database called the Human Phenotype Ontology (HPO) . The HPO collects information on symptoms that have been described in medical resources. The HPO is updated regularly. Use the HPO ID to access more in-depth information about a symptom.

Medical Terms Other Names
Learn More:
HPO ID
Percent of people who have these symptoms is not available through HPO
Eczema
0000964
Erythema
0010783
Lymphadenopathy
Swollen lymph nodes
0002716
Lymphoma
Cancer of lymphatic system
0002665
Neoplasm of the skin
Skin tumors
Tumor of the skin

[ more ]

0008069
Pruritus
Itching
Itchy skin
Skin itching

[ more ]

0000989
Psoriasiform dermatitis
0003765
Skin plaque
0200035

Treatment

FDA-Approved Treatments

The medication(s) listed below have been approved by the Food and Drug Administration (FDA) as orphan products for treatment of this condition. Learn more orphan products.

Organizations

Support and advocacy groups can help you connect with other patients and families, and they can provide valuable services. Many develop patient-centered information and are the driving force behind research for better treatments and possible cures. They can direct you to research, resources, and services. Many organizations also have experts who serve as medical advisors or provide lists of doctors/clinics. Visit the group’s website or contact them to learn about the services they offer. Inclusion on this list is not an endorsement by GARD.

Organizations Supporting this Disease

    Learn more

    These resources provide more information about this condition or associated symptoms. The in-depth resources contain medical and scientific language that may be hard to understand. You may want to review these resources with a medical professional.

    Where to Start

    • DermNet NZ is an online resource about skin diseases developed by the New Zealand Dermatological Society Incorporated. DermNet NZ provides information about this condition.
    • Genetics Home Reference (GHR) contains information on Mycosis fungoides. This website is maintained by the National Library of Medicine.
    • The National Cancer Institute provides the most current information on cancer for patients, health professionals, and the general public.
    • The National Organization for Rare Disorders (NORD) has a report for patients and families about this condition. NORD is a patient advocacy organization for individuals with rare diseases and the organizations that serve them.

      In-Depth Information

      • Medscape Reference provides information on this topic. You may need to register to view the medical textbook, but registration is free.
      • MeSH® (Medical Subject Headings) is a terminology tool used by the National Library of Medicine. Click on the link to view information on this topic.
      • The Monarch Initiative brings together data about this condition from humans and other species to help physicians and biomedical researchers. Monarch’s tools are designed to make it easier to compare the signs and symptoms (phenotypes) of different diseases and discover common features. This initiative is a collaboration between several academic institutions across the world and is funded by the National Institutes of Health. Visit the website to explore the biology of this condition.
      • Online Mendelian Inheritance in Man (OMIM) is a catalog of human genes and genetic disorders. Each entry has a summary of related medical articles. It is meant for health care professionals and researchers. OMIM is maintained by Johns Hopkins University School of Medicine. 
      • Orphanet is a European reference portal for information on rare diseases and orphan drugs. Access to this database is free of charge.
      • PubMed is a searchable database of medical literature and lists journal articles that discuss Mycosis fungoides. Click on the link to view a sample search on this topic.

        References

        1. Mycosis Fungoides and the Sézary Syndrome Treatment (PDQ®) . National Cancer Institute (NCI). 2010; https://www.cancer.gov/cancertopics/pdq/treatment/mycosisfungoides/Patient. Accessed 1/26/2011.
        2. Cutaneous T-cell lymphoma. DermNet NZ. November 23, 2012; https://www.dermnet.org.nz/dermal-infiltrative/cutaneous-t-cell-lymphoma.html. Accessed 3/7/2013.
        3. Lauren C Pinter-Brown. Cutaneous T-Cell Lymphoma. Medscape Reference. February 1, 2013; https://emedicine.medscape.com/article/2139720-overview. Accessed 3/7/2013.