Charles Jacques Bouchard (6 September 1837 – 28 October 1915) was a French

pathologist Pathology is the study of disease. The word ''pathology'' also refers to the study of disease in general, incorporating a wide range of biology research fields and medical practices. However, when used in the context of modern medical treatme ...

and an

esperantist An Esperantist () is a person who speaks, reads or writes Esperanto. According to the Declaration of Boulogne, a document agreed upon at the first World Esperanto Congress in 1905, an Esperantist is someone who speaks Esperanto and uses it for ...

born in

Montier-en-Der Montier-en-Der () is a former commune in the Haute-Marne department in north-eastern France. On 1 January 2016, it was merged into the new commune La Porte du Der.Haute-Marne Haute-Marne (; English: Upper Marne) is a department in the Grand Est region of Northeastern France. Named after the river Marne, its prefecture is Chaumont. In 2019, it had a population of 172,512.Lyon Lyon (Franco-Provençal: ''Liyon'') is a city in France. It is located at the confluence of the rivers Rhône and Saône, to the northwest of the French Alps, southeast of Paris, north of Marseille, southwest of Geneva, Switzerland, north ...

and

Paris Paris () is the Capital city, capital and List of communes in France with over 20,000 inhabitants, largest city of France. With an estimated population of 2,048,472 residents in January 2025 in an area of more than , Paris is the List of ci ...

, where he obtained his doctorate in 1866. In 1874 he became a physician at Bicêtre Hospital, and in 1879 was appointed chair of general pathology. In 1886, he became a member of the Academie de Médecine. Bouchard is remembered for his work with

infectious infection is the invasion of tissues by pathogens, their multiplication, and the reaction of host tissues to the infectious agent and the toxins they produce. An infectious disease, also known as a transmissible disease or communicable dise ...

and nutritional diseases. He was a student of

Jean Charcot Jean-Martin Charcot (; 29 November 1825 – 16 August 1893) was a French neurologist and professor of anatomical pathology. He worked on groundbreaking work about hypnosis and hysteria, in particular with his hysteria patient Louise Augustine G ...

at the

Pitié-Salpêtrière Hospital Pitié-Salpêtrière University Hospital (, ) is a charitable hospital in the 13th arrondissement of Paris. It is part of the AP-HP Sorbonne University Hospital Group and a teaching hospital of Sorbonne University. History The Salpêtrière ...

, and with Charcot described a disorder that would later be known as a " Charcot-Bouchard aneurysm". It is described as a small

aneurysm An aneurysm is an outward :wikt:bulge, bulging, likened to a bubble or balloon, caused by a localized, abnormal, weak spot on a blood vessel wall. Aneurysms may be a result of a hereditary condition or an acquired disease. Aneurysms can also b ...

cerebral Cerebral may refer to: * Of or relating to the brain * Cerebrum, the largest and uppermost part of the brain * Cerebral cortex, the outer layer of the cerebrum * Retroflex consonant, also referred to as a cerebral consonant, a type of consonant so ...

perforated vessels that could be the cause of

intracranial hemorrhage Intracranial hemorrhage (ICH) refers to any form of Hemorrhage, bleeding Internal bleeding, within the Human skull, skull. It can result from trauma, vascular abnormalities, hypertension, or other medical conditions. ICH is broadly categorized ...

s. Bouchard wrote about the aneurysm in his doctorate thesis ''Étude sur quelques points de la pathogénie des hémorrhagies cérébrales''. Bouchard promoted a theory of intestinal

autointoxication Colon cleansing, also known as colon therapy, colon hydrotherapy, a colonic, or colonic irrigation, encompasses a number of alternative medical therapies claimed to remove toxins from the colon and intestinal tract by removing accumulations o ...

.Forth, Christopher E. (2006). ''The Dreyfus Affair and the Crisis of French Manhood''. Johns Hopkins University Press. p. 185. His name is also lent to the eponymous "

Bouchard's nodes Bouchard's nodes are hard, bony outgrowths or gelatinous cysts on the proximal interphalangeal joints (the middle joints of fingers or toes). They are seen in osteoarthritis, where they are caused by the formation of calcific spurs of the articul ...

", which are bony outgrowths of the

proximal interphalangeal joints The interphalangeal joints of the hand are the hinge joints between the phalanges of the fingers that provide flexion towards the palm of the hand. There are two sets in each finger (except in the thumb, which has only one joint): * "proximal i ...

, and are a sign of

osteoarthritis Osteoarthritis is a type of degenerative joint disease that results from breakdown of articular cartilage, joint cartilage and underlying bone. A form of arthritis, it is believed to be the fourth leading cause of disability in the world, affect ...

Selected publications

He was the author of ''Traité de Pathologie Générale'', a

compendium A compendium ( compendia or compendiums) is a comprehensive collection of information and analysis pertaining to a body of knowledge. A compendium may concisely summarize a larger work. In most cases, the body of knowledge will concern a specific ...

of medical pathology, and also "Lectures on Auto-Intoxication in Disease, or Self-Poisoning of the Individual". Other noted writings by Bouchard are as follows: * ''Études expérimentales sur l'identité de l'herpès circiné et de l'herpès tonsurant'', 1860 * ''Des dégenerations secondaires de la moëlle épinière'', 1866 * ''Étude sur quelques points de la pathogénie des hémorrhagies cérébrales'', 1866 * ''Les auto-intoxications'', 1866 translated a
''Lectures on auto-intoxication in disease''
1894 * ''De la pathogénie des hémorrhagies'', 1869 * ''Questions relatives à la reforme des études médicales'', 1907.

References

External links

The clinician, germs and infectious diseases: the example of Charles Bouchard in Paris by Alain Contrepois
''Charles-Joseph Bouchard''
@

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 ...

{{DEFAULTSORT:Bouchard, Charles-Joseph 1837 births 1915 deaths Alternative detoxification promoters French pathologists Members of the French Academy of Sciences People from Haute-Marne Members of the Royal Society of Sciences in Uppsala