Bernhard Moritz Carl Ludwig Riedel
Encyclopedia
Bernhard Moritz Carl Ludwig Riedel (September 18, 1846 - September 12, 1916) was a German surgeon
who was a native of Teschentin, Grossherzogtum Mecklenburg
. He graduated from the University of Rostock
in 1872, and for the next three years was Prosector
at Rostock
under Friedrich Sigmund Merkel
(1845-1919). In 1875 he was an assistant to Franz König
(1832-1910) in Göttingen
, where he was habilitated for surgery in 1877. In the ensuing years he studied surgery with Bernhard von Langenbeck
(1810-1887) and Heinrich Adolf von Bardeleben
(1819-1895), and in 1881 became chief physician of the surgical department at the Städtisches Krankenhaus in Aachen
. In 1888 he became director of the surgical clinic at the University of Jena.
Riedel was a pioneer in the surgical treatment of appendicitis
and cholecystitis
, and in 1888 is credited with performing the first choledochoduodenostomy (anastomosis
of the common bile duct
to the duodenum
). His name is lent to the following medical eponyms:
Surgeon
In medicine, a surgeon is a specialist in surgery. Surgery is a broad category of invasive medical treatment that involves the cutting of a body, whether human or animal, for a specific reason such as the removal of diseased tissue or to repair a tear or breakage...
who was a native of Teschentin, Grossherzogtum Mecklenburg
Mecklenburg
Mecklenburg is a historical region in northern Germany comprising the western and larger part of the federal-state Mecklenburg-Vorpommern...
. He graduated from the University of Rostock
University of Rostock
The University of Rostock is the university of the city Rostock, in the German state of Mecklenburg-Vorpommern.Founded in 1419, it is the oldest and largest university in continental northern Europe and the Baltic Sea area...
in 1872, and for the next three years was Prosector
Prosector
A prosector is a person with the special task of preparing a dissection for demonstration, usually in medical schools or hospitals. Many important anatomists began their careers as prosectors working for lecturers and demonstrators in anatomy and pathology....
at Rostock
Rostock
Rostock -Early history:In the 11th century Polabian Slavs founded a settlement at the Warnow river called Roztoc ; the name Rostock is derived from that designation. The Danish king Valdemar I set the town aflame in 1161.Afterwards the place was settled by German traders...
under Friedrich Sigmund Merkel
Friedrich Sigmund Merkel
Friedrich Sigmund Merkel was a leading German anatomist and histopathologist of the late 19th century. In 1875 he provided the first full description of Tastzellen which occur in the skin of all vertebrates. They were subsequently given the eponym Merkel cells in 1878 by Robert Bonnet .Merkel was...
(1845-1919). In 1875 he was an assistant to Franz König
Franz König (surgeon)
Franz König was a German surgeon who was a native of Rotenburg an der Fulda. In 1855 he received his doctorate from the University of Marburg, and was later district wound surgeon in Hanau...
(1832-1910) in Göttingen
Göttingen
Göttingen is a university town in Lower Saxony, Germany. It is the capital of the district of Göttingen. The Leine river runs through the town. In 2006 the population was 129,686.-General information:...
, where he was habilitated for surgery in 1877. In the ensuing years he studied surgery with Bernhard von Langenbeck
Bernhard von Langenbeck
Bernhard Rudolf Konrad von Langenbeck was a German surgeon known as the developer of Langenbeck's amputation and founder of Langenbeck's Archives of Surgery....
(1810-1887) and Heinrich Adolf von Bardeleben
Heinrich Adolf von Bardeleben
Heinrich Adolf von Bardeleben was a German surgeon born in Frankfurt .He studied medicine at the Universities of Heidelberg, Giessen, Paris and Berlin, receiving his doctorate in Berlin in 1841. Later he became a professor of surgery at the University of Greifswald...
(1819-1895), and in 1881 became chief physician of the surgical department at the Städtisches Krankenhaus in Aachen
Aachen
Aachen has historically been a spa town in North Rhine-Westphalia, Germany. Aachen was a favoured residence of Charlemagne, and the place of coronation of the Kings of Germany. Geographically, Aachen is the westernmost town of Germany, located along its borders with Belgium and the Netherlands, ...
. In 1888 he became director of the surgical clinic at the University of Jena.
Riedel was a pioneer in the surgical treatment of appendicitis
Appendicitis
Appendicitis is a condition characterized by inflammation of the appendix. It is classified as a medical emergency and many cases require removal of the inflamed appendix, either by laparotomy or laparoscopy. Untreated, mortality is high, mainly because of the risk of rupture leading to...
and cholecystitis
Cholecystitis
-Signs and symptoms:Cholecystitis usually presents as a pain in the right upper quadrant. This is known as biliary colic. This is initially intermittent, but later usually presents as a constant, severe pain. During the initial stages, the pain may be felt in an area totally separate from the site...
, and in 1888 is credited with performing the first choledochoduodenostomy (anastomosis
Anastomosis
An anastomosis is the reconnection of two streams that previously branched out, such as blood vessels or leaf veins. The term is used in medicine, biology, mycology and geology....
of the common bile duct
Common bile duct
The common bile duct is a tube-like anatomic structure in the human gastrointestinal tract. It is formed by the union of the common hepatic duct and the cystic duct . It is later joined by the pancreatic duct to form the ampulla of Vater...
to the duodenum
Duodenum
The duodenum is the first section of the small intestine in most higher vertebrates, including mammals, reptiles, and birds. In fish, the divisions of the small intestine are not as clear and the terms anterior intestine or proximal intestine may be used instead of duodenum...
). His name is lent to the following medical eponyms:
- Riedel thyroiditis (sometimes called ligneous thyroiditisThyroiditisThyroiditis is the inflammation of the thyroid gland. The thyroid gland is located on the front of the neck below the laryngeal prominence, and makes hormones that control metabolism.-Classification:...
, invasive fibrous thyroiditis or struma fibromatosisFibromatosisThe term fibromatosis refers to a group of benign soft tissue tumors which have certain characteristics in common, including absence of cytologic and clinical malignant features, a histology consistent with proliferation of well-differentiated fibroblasts, an infiltrative growth pattern, and...
): An uncommon thyroidThyroidThe thyroid gland or simply, the thyroid , in vertebrate anatomy, is one of the largest endocrine glands. The thyroid gland is found in the neck, below the thyroid cartilage...
disease in which the thyroid gland is replaced by extensive fibrosis. First described by Riedel in 1896. - Riedel's lobe: A tongue-shaped process of the liverLiverThe liver is a vital organ present in vertebrates and some other animals. It has a wide range of functions, including detoxification, protein synthesis, and production of biochemicals necessary for digestion...
, often found protruding over the gallbladderGallbladderIn vertebrates the gallbladder is a small organ that aids mainly in fat digestion and concentrates bile produced by the liver. In humans the loss of the gallbladder is usually easily tolerated....
in cases of chronic cholecystitis.