Louis Édouard Octave Crouzon (1874–1938) was a French

neurologist Neurology (from el, νεῦρον (neûron), "string, nerve" and the suffix -logia, "study of") is the branch of medicine dealing with the diagnosis and treatment of all categories of conditions and disease involving the brain, the spinal c ...

born in

Paris Paris () is the capital and 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), making it the 30th most densely populated city in the world in 2020. S ...

. He received his doctorate from the

University of Paris , image_name = Coat of arms of the University of Paris.svg , image_size = 150px , caption = Coat of Arms , latin_name = Universitas magistrorum et scholarium Parisiensis , motto = ''Hic et ubique terrarum'' (Latin) , mottoeng = Here and a ...

, where he studied under

Paul Georges Dieulafoy Paul Georges Dieulafoy (18 November 1839 – 16 August 1911) was a French physician and surgeon. He is best known for his study of acute appendicitis and his description of Dieulafoy's lesion, a rare cause of gastric bleeding. Life, studies, a ...

(1839–1911),

Joseph Babinski Joseph Jules François Félix Babinski ( pl, Józef Julian Franciszek Feliks Babiński; 17 November 1857 – 29 October 1932) was a French-Polish professor of neurology. He is best known for his 1896 description of the Babinski sign, a pathologic ...

(1857–1932) and

Pierre Marie Pierre Marie (9 September 1853 – 13 April 1940) was a French neurologist and political journalist close to the SFIO. Medical Career After finishing medical school, he served as an interne (1878), working as an assistant to neurologist Jean- ...

(1853–1940). During his medical career, he was associated with the

Hôtel-Dieu de Paris In French-speaking countries, a hôtel-Dieu ( en, hostel of God) was originally a hospital for the poor and needy, run by the Catholic Church. Nowadays these buildings or institutions have either kept their function as a hospital, the one in Paris b ...

and Salpêtrière Hospital. Crouzon specialized in hereditary neurological diseases, especially

spinocerebellar ataxia Spinocerebellar ataxia (SCA) is a progressive, degenerative, genetic disease with multiple types, each of which could be considered a neurological condition in its own right. An estimated 150,000 people in the United States have a diagnosis of s ...

. He did extensive work associated with

cervical In anatomy, cervical is an adjective that has two meanings: # of or pertaining to any neck. # of or pertaining to the female cervix: i.e., the ''neck'' of the uterus. *Commonly used medical phrases involving the neck are **cervical collar **cervic ...

and

lumbar spine The lumbar vertebrae are, in human anatomy, the five vertebrae between the rib cage and the pelvis. They are the largest segments of the vertebral column and are characterized by the absence of the foramen transversarium within the transverse p ...

deformities, and conducted studies of chronic

rheumatic Rheumatology (Greek ''ῥεῦμα'', ''rheûma'', flowing current) is a branch of medicine devoted to the diagnosis and management of disorders whose common feature is inflammation in the bones, muscles, joints, and internal organs. Rheumatolog ...

and

arthritic Arthritis is a term often used to mean any disorder that affects joints. Symptoms generally include joint pain and stiffness. Other symptoms may include redness, warmth, swelling, and decreased range of motion of the affected joints. In some ...

disorders. Crouzon was the first to describe a condition he called " craniofacial dysostosis", defined as a genetic

branchial arch Branchial arches, or gill arches, are a series of bony "loops" present in fish, which support the gills. As gills are the primitive condition of vertebrates, all vertebrate embryos develop pharyngeal arches, though the eventual fate of these arc ...

disorder that results in abnormal facial features. Today this condition is known as Crouzon's syndrome. For his entire career, Crouzon was interested in

psychology Psychology is the scientific study of mind and behavior. Psychology includes the study of conscious and unconscious phenomena, including feelings and thoughts. It is an academic discipline of immense scope, crossing the boundaries betwe ...

, particularly in the work of

Pierre Janet Pierre Marie Félix Janet (; 30 May 1859 – 24 February 1947) was a pioneering French psychologist, physician, philosopher, and psychotherapist in the field of dissociation and traumatic memory. He is ranked alongside William James and ...

(1859-1947), whom Crouzon considered a major influence. During his career, he was president of the ''Société Neurologique de Paris'' (Neurological Society of Paris) and secretary of the journal ''Revue Neurologique''.

Partial bibliography

* ''Dysostose cranio-faciale héréditaire''. Bulletin de la Société des Médecins des Hôpitaux de Paris, (1912). * ''Une nouvelle famille atteinte de dysostose cranio-faciale héréditaire''. Archives de médecine des enfants, Paris, (1915).

References

''Louis Edouard Octave Crouzon''
@

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 bibliograph ...

Physicians from Paris French neurologists 1874 births 1938 deaths {{France-med-bio-stub