Joseph Rollet
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Joseph Rollet
Pierre Joseph Martin Rollet or Martin-Pierre-Joseph Rollet (12 November 1824 – 2 August 1894) was a French surgeon, venereologist and dermatologist who served as a professor of hygiene at the Faculty of Medicine in Lyon. He was the first to separate chancroid and indurated syphilitic chancre and established that the incubation period for syphilis was three weeks. Rollet was born in Lagnieu, son of a postmaster. He was sent to the Meximieux seminary at the age of nine and then went to the Royal College of Lyon before going to study medicine at the Medical School in Lyon. He then transferred to Paris. He became an intern in 1845 at the Beaujon Hospital under Stanislas Laugier. He hoped to become a surgeon at Hôtel Dieu but finally was admitted to the École de Antiquaille in 1850. He however joined service only in 1855, practicising in own clinic on rue Claudio in dermato-venerology for five years. In the nine years that he served, he specialized in syphilis. He was able to demo ...
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Joseph Rollet (cropped)
Pierre Joseph Martin Rollet or Martin-Pierre-Joseph Rollet (12 November 1824 – 2 August 1894) was a French surgeon, venereologist and dermatologist who served as a professor of hygiene at the Faculty of Medicine in Lyon. He was the first to separate chancroid and indurated syphilitic chancre and established that the incubation period for syphilis was three weeks. Rollet was born in Lagnieu, son of a postmaster. He was sent to the Meximieux seminary at the age of nine and then went to the Royal College of Lyon before going to study medicine at the Medical School in Lyon. He then transferred to Paris. He became an intern in 1845 at the Beaujon Hospital under Stanislas Laugier. He hoped to become a surgeon at Hôtel Dieu but finally was admitted to the École de Antiquaille in 1850. He however joined service only in 1855, practicising in own clinic on rue Claudio in dermato-venerology for five years. In the nine years that he served, he specialized in syphilis. He was able to demo ...
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Chancroid
Chancroid ( ) is a bacterial sexually transmitted infection characterized by painful sores on the genitalia. Chancroid is known to spread from one individual to another solely through sexual contact. However, there have been reports of accidental infection through another route which is by the hand. While uncommon in the western world, it is the most common cause of genital ulceration worldwide. Signs and symptoms These are only local and no systemic manifestations are present. The ulcer characteristically: * Ranges in size dramatically from 3 to 50 mm (1/8 inch to 2 inches) across * Is painful * Has sharply defined, undermined borders * Has irregular or ragged borders, ''described as saucer-shaped''. * Has a base that is covered with a gray or yellowish-gray material * Has a base that bleeds easily if traumatized or scraped * Painful swollen lymph nodes occur in 30–60% of patients. * Dysuria (pain with urination) and dyspareunia (pain with intercourse) in females A ...
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Chancre
A chancre ( )chancres
thefreedictionary
is a painless most commonly formed during the primary stage of syphilis. This infectious forms approximately 21 days after the initial exposure to '''', the

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Syphilis
Syphilis () is a sexually transmitted infection caused by the bacterium ''Treponema pallidum'' subspecies ''pallidum''. The signs and symptoms of syphilis vary depending in which of the four stages it presents (primary, secondary, latent, and tertiary). The primary stage classically presents with a single chancre (a firm, painless, non-itchy skin ulceration usually between 1 cm and 2 cm in diameter) though there may be multiple sores. In secondary syphilis, a diffuse rash occurs, which frequently involves the palms of the hands and soles of the feet. There may also be sores in the mouth or vagina. In latent syphilis, which can last for years, there are few or no symptoms. In tertiary syphilis, there are gummas (soft, non-cancerous growths), neurological problems, or heart symptoms. Syphilis has been known as "the great imitator" as it may cause symptoms similar to many other diseases. Syphilis is most commonly spread through sexual activity. It may also be transmi ...
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Lagnieu
Lagnieu (; frp, Lagniœ) is a commune in the Ain department in eastern France. Geography Lagnieu is located in the south of the department of Ain, on the right bank of the Rhone, 50 km northeast of Lyon and 37 km south of Bourg-en-Bresse. The town belongs to the canton of Lagnieu, of which it is the seat, and the arrondissement of Belley. Attached to the foothills of southern Jura (Bugey), it belongs to the natural region of the plain of Ain, also name of the industrial park established about ten kilometers west of the town. Its territory has an altitude ranging from 192 m to 643 m, the town hall is 212 m. History According to a Latin text of the seventh century, Lagnieu derives from a landowner named Latinus, giving his name to the district and become Latiniacus. Around 1430, the inhabitants of Lagnieu seized six oxen belonging to the monks of the Carthusian monastery of Portes and ravaged their crops by releasing their pigs. During the French Revolution, L ...
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Beaujon Hospital
The Beaujon Hospital () is located in Clichy, Paris, France and is operated by APHDP. It was named after Nicolas Beaujon, an eighteenth-century French banker A bank is a financial institution that accepts deposits from the public and creates a demand deposit while simultaneously making loans. Lending activities can be directly performed by the bank or indirectly through capital markets. Becaus .... It opened in 1935 and was designed by Jean Walter. References External linksProfile at Assistance Publique - Hôpitaux de Paris(in French) Hospital buildings completed in 1935 Hospitals in Paris Hospitals established in 1935 Buildings and structures in Seine-Saint-Denis 1935 establishments in France {{France-struct-stub ...
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Stanislas Laugier
Stanislas Laugier (28 January 1799 – 15 February 1872) was a French surgeon and doctor. He was the brother of astronomer Paul Auguste Ernest Laugier (1812-1872). He was associated with the Hôtel-Dieu in Paris, a member of the Institut and of the Académie des Sciences, president and professor of the Académie de Médecine de Paris. He was buried in the cimetière du Père-Lachaise (57ème division). Written works With Gustave-Antoine Richelot, he published a translation of William Mackenzie's "A practical treatise on the diseases of the eye" as ''Traité pratique des maladies des yeux''. Other noted works by Laugier include: * ''Des cals difformes et des opérations qu'ils réclament'', 1841 (two editions) * ''Des varices, de leur traitement'', 1842 - Of strictures and their treatment. * ''Des lésions traumatiques de la moelle épinière'', 1848 - Traumatic lesions of the spinal cord. Medical terms * Laugier hernia: A hernia passing through an opening in the lacunar li ...
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Hôtel-Dieu, Paris
The Hôtel-Dieu () is a hospital located on the Île de la Cité in the 4th arrondissement of Paris, on the parvis of Notre-Dame. Tradition has it that the hospital was founded by Saint Landry in 651 AD, but the first official records date it to 829, making it the oldest in France and possibly the oldest continuously operating hospital in the world. The Hôtel-Dieu was the only hospital in the city until the beginning of 17th century. The original Hôtel-Dieu stood on the banks of the Seine on the southern side of the Île de la Cité. It was ravaged by fire several times and was rebuilt for the last time at its present location on the north side of the parvis of Notre Dame between 1867 and 1878, as part of Haussmann's renovation of Paris. Nowadays operated by Assistance publique – Hôpitaux de Paris (AP-HP), the Hôtel-Dieu is a teaching hospital associated with the Faculté de Médecine Paris-Descartes. History Overview Originally, the Hôtel-Dieu admitted a wide r ...
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Philippe Ricord
Philippe Ricord (10 December 1800 – 22 October 1889) was a French physician. Biography Philippe Ricord was born on 10 December 1800 in Baltimore. His father had escaped the French Revolution in 1790 from Marseille. He met French naturalist Charles Alexandre Lesueur, who took him back to Paris in 1820. He worked for Lesueur as curator of his specimens, and at hospitals such as Val-de-Grâce and 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 .... He studied under Guillaume Dupuytren, but fell out with him when Ricord published an article pointing out a procedure Dupuytren claimed to have invented was already in use in America. He transferred to Pitié-Salpêtrière Hospital to study under Jacques Lisfranc de St. Martin. He graduated in medicine in 1826. After ...
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Treponema Pallidum
''Treponema pallidum'', formerly known as ''Spirochaeta pallida'', is a spirochaete bacterium with various subspecies that cause the diseases syphilis, bejel (also known as endemic syphilis), and yaws. It is transmitted only among humans. It is a helically coiled microorganism usually 6–15 μm long and 0.1–0.2 μm wide. ''T. pallidum'''s lack of either a tricarboxylic acid cycle or oxidative phosphorylation results in minimal metabolic activity. The treponemes have a cytoplasmic and an outer membrane. Using light microscopy, treponemes are visible only by using dark field illumination. ''Treponema pallidum'' consists of three subspecies, ''T. p. pallidum, T. p. endemicum,'' and ''T. p. pertenue,'' each of which has a distinct associated disease. Subspecies Three subspecies of ''T. pallidum'' are known: * ''Treponema pallidum pallidum'', which causes syphilis * ''T. p. endemicum'', which causes bejel or endemic syphilis * ''T. p. pertenue'', which causes yaws The ...
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Haemophilus Ducreyi
''Haemophilus ducreyi'' is a fastidious gram-negative coccobacillus bacteria. It causes the sexually transmitted disease chancroid, a major cause of genital ulceration in developing countries characterized by painful sores on the genitalia. Chancroid starts as an erythematous papular lesion that breaks down into a painful bleeding ulcer with a necrotic base and ragged edge. More recently, it has also been found to cause chronic skin ulceration away from the genitalia, infect children and adults, and behave in a manner that mimics yaws. These strains seem to have diverged quite recently. ''H. ducreyi'' can be cultured on chocolate agar. It is best treated with a macrolide, e.g. azithromycin, and a third-generation cephalosporin, e.g. ceftriaxone. ''H. ducreyi'' gram stain resembles a "school of fish." Pathogenesis ''H. ducreyi'' is an opportunistic microorganism that infects its host by way of breaks in the skin or epidermis. Inflammation then takes place as the area of infecti ...
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Legion Of Honour
The National Order of the Legion of Honour (french: Ordre national de la Légion d'honneur), formerly the Royal Order of the Legion of Honour ('), is the highest French order of merit, both military and civil. Established in 1802 by Napoleon, Napoleon Bonaparte, it has been retained (with occasional slight alterations) by all later French governments and regimes. The order's motto is ' ("Honour and Fatherland"); its Seat (legal entity), seat is the Palais de la Légion d'Honneur next to the Musée d'Orsay, on the left bank of the Seine in Paris. The order is divided into five degrees of increasing distinction: ' (Knight), ' (Officer), ' (Commander (order), Commander), ' (Grand Officer) and ' (Grand Cross). History Consulate During the French Revolution, all of the French Order of chivalry, orders of chivalry were abolished and replaced with Weapons of Honour. It was the wish of Napoleon, Napoleon Bonaparte, the French Consulate, First Consul, to create a reward to commend c ...
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