Piebaldism: rare but all dermatologists have heard this strange term during residency

For one, this term is not originally from Latin and Greek, but from English and French: “Pie-” (french) = magpie (a bird) The french word has been adopted in the English. “-bald” comes from English (lack of hair) pie-bald = varriagated and partly coloured like a magpie. This term is also used to describe white…

Details

Koebner isomorphic phenomenon: the story behind the name

The isomorphic phenomenon is the occurrence of the skin lesions in traumatized areas. This occurs in the following dermatoses: vitiligo, psoriasis, lichen planus, lichen nitidus, pityriasis rubra pilaris, and keratosis follicularis (Darier’s disease). It was described by Dr Heinrich Koebner (1838-1904) in 1876, a German dermatologist who trained in Paris and Vienna: he showed it…

Details

Syringoma: once you recognize the lesion, how do you remember to put the correct name ?

This term comes from the Greek word: συριγξ = surinx = canal. The word is pronounced as ” surinx”. This origin is used in other medical fields (syringomyelia, syringobulbia, syringotomy) Information on Syringoma: Syringoma develop from the excretory lining of eccrine glands They are frequent benign tumors and affect more often females with familial forms.…

Details

Birt-Hogg-Dubé Syndrome

Birt–Hogg–Dubé syndrome is a dermatological condition with a heightened risk of tumors in the kidneys and lungs. The condition is characterized by multiple benign dome-shaped tumors of the hair follicles (fibrofolliculomas), located on the face, neck and sometimes on the upper chest.Trichodiscomas and acrochordons are other lesions occuring with this syndrome Birt-Hogg-Dubé syndrome was described…

Details

Pustular Psoriasis: Who was Kogoj ?

Pustular psoriasis exists in the generalized and localized types. Acrodermatitis continua of Hallopeau of acral psoriasis characterized by spongiform pustules* When examining pustules of psoriasis under the microscope, they appear as spongiform. This term was labelled in 1927 by Dr Franjo Kogoj (1894-1983), a Croatian dermatologist:”The pustule may be compared to a sponge” *These pustules…

Details

Incontinentia Pigmenti or Bloch-Sulzberger syndrome: who was Bloch ?

Dr Bruno Bloch (1878-1933) was a Swiss dermatologist who created the dermatology department in Zurich. He described incontinentia pigment with the US Dermatologist, Dr Marion Sulzberger But he made his most valuable contribution in pigment research. Indeed he discovered that the synthesis of melanin was due to the action of an enzyme on the amino…

Details

Acrodermatitis Continua Suppurativa of Hallopeau: Who was Hallopeau ?

Also known as dermatitis repens, acrodermatitis continua suppurativa is a acral pustular psoriasis considered as an uncommon type of pustular psoriasis. It was described by the French dermatologist Dr François Henri Hallopeau (1842-1919) described this condition in 1890 and named it then: Polydactylitis Continua Suppurativa (French: “polydactylie suppurative et continue”). Thereafter three particular forms were…

Details

Sarcoma, Sarcoidosis: the Story behind the Name

The prefix comes from Greek: σαρξ = sarx = flesh The word “sarcoma” served initially to give a name to tumors which developed from the “conjunctive tissue” Later, the Hungarian-Born Austrian dermatologist Dr Moriz Kaposi (1837-1902) transformed the word sarcoma into sarcoidosis to designate still badly-defined cutaneous diseases. (Unrelated, his name was heard again in…

Details