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Lithotomy

Lithotomy is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Lithotomy rather than just read about it. In short: Lithotomy from Greek for "lithos" (stone) and "tomos" (cut), is a surgical method for removal of calculi, stones formed inside certain organs, such as the urinary tract (kidney stones), bladder (bladder stones), and gallbladder (gallstones), that cannot exit naturally through the urinary system or biliary tract. The procedure is usually performed by means of a surgical incision (therefore invasive).

Lithotomy — main illustration
Lithotomy — illustration

Key takeaways

  • Lithotomy belongs to science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Lithotomy to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Lithotomy from memory before moving on to harder problems.

Reference excerpt

Lithotomy from Greek for "lithos" (stone) and "tomos" (cut), is a surgical method for removal of calculi, stones formed inside certain organs, such as the urinary tract (kidney stones), bladder (bladder stones), and gallbladder (gallstones), that cannot exit naturally through the urinary system or biliary tract. The procedure is usually performed by means of a surgical incision (therefore invasive). Lithotomy differs from lithotripsy, where the stones are crushed either by a minimally invasive probe inserted through the exit canal, or by an acoustic pulse (extracorporeal shock wave lithotripsy), which is a non-invasive procedure. Because of these less invasive procedures, the use of lithotomy has decreased significantly in the modern era.

History

Ancient history

Human beings have known of bladder stones for thousands of years, and have attempted to treat them for almost as long. The oldest bladder stone that has been found was discovered in Egypt in 1901, and it has been dated to 4900 BC. The earliest written records describing bladder stones are in papyrus dating from 1500 BC in Ancient Egypt. Disease caused by the formation of stones was described in Mesopotamia from 3200 to 1200 BC; the first description of a surgical procedure to treat stones was described in the Sushruta Samhita by Sushruta around 600 BC. The presence of specialist lithotomists is described by Hippocrates, and is also included in the famous Hippocratic Oath: "I will not cut for stone, even for the patients in whom the disease is manifest; I will leave this operation to be performed by practitioners," a clear warning for physicians against the "cutting" of persons "laboring under the stone"; an act that was better left to surgeons, as distinct from physicians. Lithotomy at the time involved operations to remove bladder stones via the perineum; like other surgery before the invention of anesthesia, these were intensely painful for the patient, and since antibiotics were not yet available, often resulted in deadly infection and inflammation as well. Ammonius, who practiced lithotomy in Alexandria circa 200 BC, coined the term lithotomy, and acquired the sobriquet Lithotomus from the instrument he developed for fragmenting stones too large to pass through a small perineal incision. He used a small hook to keep the stone in one position, and then a blunt instrument to crush it. Aulus Cornelius Celsus (1st century), and the Hindu surgeon Susruta produced early descriptions of bladder stone treatment using perineal lithotomy. The 7th-century Byzantine Greek physician Paulus Aegineta's Medical Compendium in Seven Books contains a description of lithotomy that closely follows that of Celsus. Albucasis in the tenth century AD describes a procedure different from previous ones, using an incision to the side of the midline, and with a knife that is "sharp on two sides" (Spinks and Lewis say it is difficult to reconcile the drawing of the knife to the procedure). Albucasis also adds using forceps instead of the scoop and chisel of Ammonius to break up the stone. Albucasis also uses a "drill" for stones impacted in the urethra, a technique not recorded earlier. Techniques described as similar to Albucasis' were seen for the next eight hundred years.

Middle Ages to modern times Little changed in technique or instruments throughout the Middle Ages. Most lithotomists were commercial travellers, conducting procedures in places able to be attended by onlookers. In the 16th century, Laurent Colot and Pierre Franco (1505–1578) were pioneers in the suprapubic lithotomy method, in which an incision is made above the bladder. Frère Jacques Beaulieu (also known as Frère Jacques Baulot) developed an operation that went in laterally to remove the bladder stones in the late 16th century. Beaulieu was a travelling lithotomist and a Dominican Friar, with scant knowledge of anatomy. Beaulieu performed the procedure frequently in France into the late 16th century. A possible connection between the French nursery rhyme Frère Jacques and Frère Jacques Beaulieu, as claimed by Irvine Loudon and many others, was recently explored without finding any evidence for a connection. French composer Marin Marais wrote "Tableau de l'opération de la taille" ("tableau of a Lithotomy"), a musical description of the operation, in 1725. A less invasive technique was described by Ottoman surgeons Sabuncuoğlu Serafettin and Ahi Ahmed Celebi in the sixteenth century, involving accessing the bladder through the urethra, and then washing it with fluid. Lithotomy was successfully performed by some practitioners in the 17th century, for example Johann Andreas Eisenbarth (1663–1727). Other important names in its historical development were Jean Zuléma Amussat (1796–1856), Auguste Nélaton (1807–1873), Henry Thompson (1820–1904) and William Cheselden (1688–1752). The latter invented a technique for lateral vesical stone lithotomy in 1727, whereupon he was said to perform the operation in about one minute (an important feat before anesthesia). In England, William Thornhill performed his first suprapubic operation on a boy privately on 3 February 1722 (O.S.; 14 February 1723 N.S.) The records of his work, published by his colleague, John Middleton, M.D., prove that his experience in the operation and his success were greater than any contemporary English surgeon could show. Special surgical instruments were designed for lithotomy, consisting of dilators of the canal, forceps and tweezers, lithotomes (stone cutters) and cystotomes (bladder cutters), urethrotomes (for incisions of the urethra) and conductors (grooved probes used as guides for stone extraction). The patient is placed in a special position on a lithotomy operating table, called the lithotomy position (which retains this name to the present day, when the same position is used for other unrelated medical procedures).

Move to less invasive procedures Transurethral lithotripsy, which was much simpler and with lower morbidity, complication and mortality rates, was invented by French surgeon Jean Civiale (1792–1867) and largely substituted for surgical lithotomy, unless the crushing of calculi was difficult or impossible.

Notes

External links

Lithotomy. Institute and Museum of the History of Science, Florence, Italy. Bladder Stones at eMedicine

Illustrations

Lithotomy illustration

Worked examples

Example 1 — a first encounter with Lithotomy

Start with the simplest possible case. Write down what Lithotomy claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Lithotomy before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Lithotomy ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Lithotomy

In research
Lithotomy appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Lithotomy in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Lithotomy is common in secondary-school and first-year university syllabi. It links to neighbouring topics Accessory digestive gland surgery, History of surgery, Surgical removal procedures, so understanding it makes those chapters shorter.
In everyday life
Look for Lithotomy outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Lithotomy in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Lithotomy means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Lithotomy out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Lithotomy in simple terms?

Lithotomy from Greek for "lithos" (stone) and "tomos" (cut), is a surgical method for removal of calculi, stones formed inside certain organs, such as the urinary tract (kidney stones), bladder (bladder stones), and gallbladder (gallstones), that cannot exit naturally through the urinary system or…

Why does Lithotomy matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Lithotomy?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Lithotomy.

Tags

  • Accessory digestive gland surgery
  • History of surgery
  • Surgical removal procedures
  • Urologic surgery

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