Louis-Anne-Jean Brocq (1 February 1856 – 18 December 1928) was a French

dermatologist Dermatology is the branch of medicine dealing with the skin.''Random House Webster's Unabridged Dictionary.'' Random House, Inc. 2001. Page 537. . It is a speciality with both medical and surgical aspects. A dermatologist is a specialist medica ...

born in Laroque-Timbaut, a village in the department of

Lot-et-Garonne Lot-et-Garonne (, oc, Òlt e Garona) is a department in the Nouvelle-Aquitaine region of Southwestern France. Named after the rivers Lot and Garonne, it had a population of 331,271 in 2019.Paris Paris () is the Capital city, capital and List of communes in France with over 20,000 inhabitants, most populous city of France, with an estimated population of 2,165,423 residents in 2019 in an area of more than 105 km² (41 sq mi), ma ...

at the Hospice la Rochefoucauld, the Hôpital Broca, and from 1906 to 1921, the

Hôpital Saint-Louis Hôpital Saint-Louis is a hospital in Paris, France. It was built in 1611 by architect Claude Vellefaux at the request of Henry IV of France. It is part of the Assistance publique - Hôpitaux de Paris hospital system, and it is located at 1 avenue ...

. As a young physician he studied and worked with

Jean Alfred Fournier Jean Alfred Fournier () (21 May 1832 – 25 December 1914) was a French dermatologist who specialized in the study of venereal disease. Biography As a young man he served as an interne at the Hôpital du Midi as an understudy to Philippe Rico ...

(1832–1915), Jean Baptiste Emile Vidal (1825–1893) and Ernest Henri Besnier (1831–1909). Brocq provided early, comprehensive descriptions of numerous skin disorders, including

keratosis pilaris Keratosis pilaris (KP; also follicular keratosis, lichen pilaris, or colloquially chicken skin) is a common, autosomal- dominant, genetic condition of the skin's hair follicles characterized by the appearance of possibly itchy, small, goosefle ...

, parapsoriasis and a form of

dermatitis Dermatitis is inflammation of the skin, typically characterized by itchiness, redness and a rash. In cases of short duration, there may be small blisters, while in long-term cases the skin may become thickened. The area of skin involved can ...

called "Duhring-Brocq disease" (named with Louis Adolphus Duhring and sometimes referred to as

dermatitis herpetiformis Dermatitis herpetiformis (DH) is a chronic autoimmune blistering skin condition, characterised by intensely itchy blisters filled with a watery fluid. DH is a cutaneous manifestation of coeliac disease, although the exact causal mechanism is not k ...

). Other eponymous skin diseases named after him are " Brocq's pseudopelade", a condition involving progressive scarring of the scalp, and "Brocq-Pautrier angiolupoid", a specific type of

sarcoidosis Sarcoidosis (also known as ''Besnier-Boeck-Schaumann disease'') is a disease involving abnormal collections of inflammatory cells that form lumps known as granulomata. The disease usually begins in the lungs, skin, or lymph nodes. Less commonly a ...

of the skin named in conjunction with Dr. Lucien-Marie Pautrier (1876–1959). With Pautrier he also described "Brocq-Pautrier syndrome" (''glossitis rhombica mediana''), characterized by rhomboid and shiny lesions on the midline of base of the tongue. Brocq is also credited for developing a tar solution used for the treatment of

psoriasis Psoriasis is a long-lasting, noncontagious autoimmune disease characterized by raised areas of abnormal skin. These areas are red, pink, or purple, dry, itchy, and scaly. Psoriasis varies in severity from small, localized patches to complete ...

. Along with Ernest Besnier and Lucien Jacquet, he published a four volume encyclopedia of dermatology, titled "''La pratique dermatologigue''" (1900–04).La pratique dermatologique
OCLC WorldCat

References

''Louis Brocq''
@

Who Named It ''Whonamedit?'' is an online English-language dictionary of medical eponyms and the people associated with their identification. Though it is a dictionary, many eponyms and persons are presented in extensive articles with comprehensive bibliograp ...

* 1856 births 1928 deaths French dermatologists People from Lot-et-Garonne {{France-med-bio-stub

See also

References