Hermann Ludwig Eichhorst (3 March 1849 – 26 July 1921) was a German-Swiss internist born in

Königsberg Königsberg (, ) was the historic Prussian city that is now Kaliningrad, Russia. Königsberg was founded in 1255 on the site of the ancient Old Prussian settlement ''Twangste'' by the Teutonic Knights during the Northern Crusades, and was name ...

. He studied medicine in Königsberg and

Berlin Berlin ( , ) is the capital and List of cities in Germany by population, largest city of Germany by both area and population. Its 3.7 million inhabitants make it the European Union's List of cities in the European Union by population within ci ...

, and was an assistant to Ernst Viktor von Leyden (1832-1910),

Bernhard Naunyn Bernhard Naunyn (2 September 1839 – 26 July 1925) was German pathologist born in Berlin. Biography After receiving his degree at the University of Berlin in 1863, he became an assistant to pathologist Friedrich Theodor von Frerichs (1819–1 ...

(1839-1935), and Friedrich Theodor von Frerichs (1819-1885). In 1884 became director of the medical clinic in Zurich, where he remained for the rest of his career. Eichhorst made contributions in several fields of medicine. In an 1878 monograph he documented one of the earliest descriptions of progressive

pernicious anemia Pernicious anemia is a type of vitamin B12 deficiency anemia, a disease in which not enough red blood cells are produced due to the malabsorption of vitamin B12. Malabsorption in pernicious anemia results from the lack or loss of intrinsic fa ...

. He also discovered globular forms in the

poikilocytosis Poikilocytosis is variation in the shapes of red blood cells. Poikilocytes may be oval, teardrop-shaped, sickle-shaped or irregularly contracted. Normal red blood cells are round, flattened disks that are thinner in the middle than at the edges. ...

of this disease, which were to become known as "Eichhorst's corpuscles". In 1896 and 1913 respectively, Eichhorst provided early accounts of infantile and hereditary multiple sclerosis. He also described a form of interstitial

neuritis Neuritis () is inflammation of a nerve or the general inflammation of the peripheral nervous system. Inflammation, and frequently concomitant demyelination, cause impaired transmission of neural signals and leads to aberrant nerve function. Neuri ...

that is sometimes referred to as "Eichhorst's neuritis".

Selected writings

* ''Die progressive perniciöse Anämie''.

Leipzig Leipzig ( , ; Upper Saxon: ) is the most populous city in the German state of Saxony. Leipzig's population of 605,407 inhabitants (1.1 million in the larger urban zone) as of 2021 places the city as Germany's eighth most populous, as ...

, Veit und Comp, (1878). * ''Handbuch der speciellen Pathologie und Therapie für praktische Ärzte und Studirende'' (Textbook of special

pathology Pathology is the study of the causes and effects of disease or injury. 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 ...

and

therapy A therapy or medical treatment (often abbreviated tx, Tx, or Tx) is the attempted remediation of a health problem, usually following a medical diagnosis. As a rule, each therapy has indications and contraindications. There are many different ...

for physicians and students); (1885). * ''Pathologie und Therapie der Nervenkrankheiten'' (Pathology and therapy of nervous diseases). * ''Lehrbuch der physikalischen Untersuchungsmethoden innerer Krankheiten''. Berlin, 1889; fourth edition, 1896; translated into French and Russian. * ''Lehrbuch der practischen Medizin innerer Krankheiten''.

Vienna en, Viennese , iso_code = AT-9 , registration_plate = W , postal_code_type = Postal code , postal_code = , timezone = CET , utc_offset = +1 , timezone_DST ...

, 1899; translated into English, Italian, and Spanish. * ''Uber infantile und hereditäre multiple Sklerose'' (On childhood and hereditary multiple sclerosis)

References

History Of Multiple Sclerosis
Nobel Prize.org
Essay on Pernicious Anemia.

@

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:Eichhorst, Hermann 1849 births 1921 deaths German pathologists Physicians from Königsberg People from the Province of Prussia Swiss internists