One in seven Americans suffered it. Appendicitis. What is it?

It's 10 pm. Severe pain in your belly. You are in ER.abdomen looking like tumor.Diagnostic problem with
Previous day you had a nice party with your friends.appendicitis is that some other conditions may mimic
Then pain started around your umbilicus (navel). Youit.Abdominal cavity is packed with different organs.
thought first: aha, probably you ate something bad, itOther sources could cause pain in right lower
will go away. But it doesn't. You have vomited oncequadrant. Females may have ovarian torsion or
and lost appetite. Pain did not improve but worsened.tuboovarian abscess or extrauterine pregnancy (this
After a day of suffering you decided to visit theis why doctors persistently ask: when was your last
hospital. Long taxi trip. Pain is shooting every time themenstrual period? Are you taking contraceptive
car bumps into a pot. Nurses ask you bunch ofhormones? Did you have vaginal bleeding?), etc. They
questions and place in an available room. There is aalso check your chorionic hormone, trying to find if
confused 90 something years old women in theyou are pregnant.Scrupulous doctor asks your
neighbor room. She mumbles somethingpermission to perform rectal exam. Many people
incomprehensibly. The woman has come from arefuses to do it. I can understand that. Who would
nursing home. She suffers Alzheimer disease and yellslike that somebody sticks fingers into his ass. I
every night for the past 7 years. She has history ofwouldn't. But the rectal exam gives a lot of
multiple medical problems. They brought her in the ERinformation. Rectum - is the part of gut that is
after she developed fever. Nurses draw your blood.closest to the back orifice. Back orifice is named anus
You pain is getting gradually worse. Change yourin Latin or anal canal. Surgeons say that there are
position, pull your legs. Pain doesn't go away. Whenonly two contra-indications for avoiding rectal exam: 1.
the ... doctor comes? At last ER physician sees you.patient does not have anus 2. Surgeon does not
He writes H+P and ER orders. A stretcher is rolled in.have fingers.Rectal exam in appendicitis is usually
They take you to a radiology department and putunremarkable. Maybe you can cause pain by palpating
into a big machine looking like a gate. Everybodythe side wall of the rectum that is close to the
leaves you and the machine drives you into the bigappendix. But the rectal exam allows to distinguish
metal doughnut. They bring you back into theother disorders. During the rectal exam you may
ER.Surgical intern comes. He did not rest since 5 AM.palpate hemorrhoids, uterus, nodules in prostate or
He asks bunch of the same questions again andenlarged prostate, you may feel fluid in lower part of
pokes your belly. A tired resident comes. He pokesperitoneal cavity, etc. You may see blood on the
your belly again. You still wait, become bored,finger telling you about internal bleeding. You may
complain on delay, call your relatives. It's already 2check the stool for small amount of blood (named
AM. At last the resident discuss your symptoms withfecal occult blood test - FOBT - or Guaiac test by
attending over the phone. He tells you that you havethe name of the dye that turns blue in the presence
appendicitis and CT scan confirmed it. History andof blood. At last rectal exam may help in
physicals are written. Admission orders are written.dis-impaction of rectum. That is when hard stool
Pre-op orders are written. Antibiotics are prescribed.causes bowel obstruction.Usually a rectal exam is
IV fluid is running 80 ml an hour. You sign consent formore or less normal. But every surgeon will tell you a
operation. Transporting guys take you upstairs -war story about how once in while, once in five
depending on severity of your symptoms - straightyears he found something significant on rectal exam,
to or to the floor. Attending will operate you firstsomething that every other doctor missed. Just by
thing in the morning.Classically appendicitis starts as aputting the finger into the butt. I saw how a surgeon
pain that began in the periumbilical region (aroundput a finger into an old, demented women and pulled
navel - you belly pot). Then pain moves to the rightout a pessarium. It was an apple-size pink plastic
lower quadrant of the abdomen. Nausea and vomitingmembrane , that should go into vagina, but
often present after the onset of the pain. Classically,somebody (at home?) put it (by mistake?) into the
patient has low grade fever (this means aroundrectum of that woman. You really need to push hard
37-38 C or 101-102 F), positive psoas sign (youto get such big object into the anus. The poor lady
stretch your leg and this movement increases yoursuffered bowel obstruction for a week and would
pain), positive Rovsing sign (Doctor pokes in your leftprobably die if it stayed long enough.OK, lets return
lower quadrant of the abdomen, and you fill the painto appendicitis. So, doctors will check you White
in you right lower quadrant), Leukocytosis.Blood Cell Count Any infection or inflammation may
Leukocytes are the white blood cells - WBC. Usuallycause this count to be abnormally high. It is not
there are around 4000-9000 white cells per micro literspecific for appendicitis, but it confirms other
of you blood. When you have inflammation in youfindings.Next, doctors check Urinalysis - microscopic
body the count goes up.Your pain during appendicitisexamination of the urine. That detects red blood cells,
classically localizes in Mc Burney's point. That is onewhite blood cells and bacteria in the urine. When
third between your umbilicus and anterior superior iliacthere is inflammation or stones in the kidneys or
spine (this is the bony point that is sticking mostbladder, the urinalysis is abnormal. A normal urinalysis
prominently from your pelvis - you can palpate itis more characteristic to appendicitis.Next they try to
yourself on the side of your belly). For confirmation aimage what is going on in your belly. An abdominal
doctor also may try to elicit obturator sign - he willx-ray may detect the fecalith as the cause of
ask you to bend you knee and bring your heel toappendicitis (5%). Free air due to perforation can
your groin - this manoeuver increases the pain duringmight be seen on the plain film.A barium enema may
appendicitis. Similar test is the raising of the leg whilebe used. It is an x-ray test where liquid contrast is
you lie on the stretcher. That movement alsoused from the anus to fill the colon. Sometimes it
increases your pain.Appendicitis is the inflammation ofshow an impression on the colon in the area of
appendix supposedly due to narrowing of this lumen.inflamed appendix. Barium enema also can exclude
That narrowing may be caused by hyperplasia ofother intestinal problems that mimic
appendix (means too big growth, overgrowth of theappendicitis.Ultrasound shows an enlarged appendix or
tissue) . That variant happens in children mostly.an abscess. Ultrasound is painless, but the appendix
Another variant - is fecalith (small stony fecalcan be seen in only half of patients. Ultrasound also is
material) that impacts into the appendix lumen. Thathelpful in excluding the problems with ovaries, fallopian
is seen in young adults mostly.Appendix itself is atubes and uterus. Ultrasound machine usually looks like
small part of gut . It is pencil-size sticking out gut. Guta small thumb on wheels that they bring into your
is a continuos tube. Mouth is entry. Anus is exit.room. Technician puts gelly on and drives the probe
Appendix sticks out from the wall and ends blindly. Itover you belly.Often they go straight to CT Scan
has only one entrance. Appendix is attached to the(computer tomography). Especially if the patient is
Caecum (part of gut - literally means blind colon innot pregnant. CT scan gives relatively high irradiation
Latin). Appendix of ruminating animals (animals thatof your body by x-rays. However benefits of prompt
chew grass, like cow) is very long and big. Appendixdiagnose of appendicitis outweigh the risk of radiation.
in humans is reduced to the pencil-size. However itCT scan gives slicing images of your body.What do
doesn't disappear. There is a theory that appendixthey look for? As any inflamation causes edema, the
plays role in immune response. The walls of appendixwall of the appendix will be thickened. This is actually
are actually filled with lymphatic tissue containinga defensive mechanism - by edema the organism try
lymphocytes (those are subtype of White Bloodto wall of, to seal off the area of infection and
Cells). Lymphatics is responsible for immunity.Theinflamation.But it is useful for us because we can
removal of appendix doesn't really change immunitysurely say there is an inflammation. The same goes
significantly. Nonetheless, it is not somethingfor ultrasound.CT scan is expensive - around 1000
redundant. Unless it is inflamed there is no gooddollars in an American hospital, though 40 dollars in
reason to remove it .Now, acute appendicitis is theRussia.If the CT scan is taken during the night, CT
acute inflammation of appendix. Suffix "-itis" meansimage may be send to Australia Russia or India.An
inflammation in Latin. Appendicitis is also the mostAmerican radiologist is paid around 40 dollars to read
common cause of acute abdomen. Acute abdomen injust an X-ray film. I guess he gets more for reading
surgery is a condition in abdomen that requires urgentthe CT scan. It is only 5 dollars in India. This is why
actions, usually surgical.To diagnose appendicitis youeven such clinics as Harvard and Yale adopt this
need to have right lower quadrant pain.The painmodel of work - they send the CT scans to the
should be present together with either appropriatecheap labor abroad. Especially during the night. Half an
history (all those classical signs and lack of appetite)hour later the fax from Australia arrives.
or Leukocytosis (increase in white blood cells in the"Inflammatory pericecal mass in the right iliac fossa
blood).Patients often ask questions: Can I avoidconsistent with the diagnosis of severe acute
surgery? Can you treat me with antibiotics alone?appendicitis." Any doctor can read an x-ray film or CT
You told me that it is possible to treat thescan. Radiologists are doctors who specialize in the
appendicitis with antibiotics alone. Please, I do notreading of the films. They may find what was missed
want surgery, my mother (father, brother, fiancee)by others.At this point diagnosis is usually clear. In
said that I can avoid surgery.The answer is: you cancases if it is not, there is Laparoscopy. Laparoscopy
try to avoid it probably, but the odds of death areis a surgical procedure. Small fiberoptic tube with a
much higher if you treat appendicitis without surgery.camera is inserted into the abdomen through a small
Untreated appendicitis may lead to perforation in lesspuncture in abdominal wall.Yet there is no test that
than a day. Sun rises. Sun sets. Appendix bursts. So,will diagnose appendicitis with 100% certainty.The
the prompt surgical intervention is the main solution.position of the appendix may vary. If it is longer than
On occasion, the surgeon may even find anormal, appendix may go deep down into the pelvis.
normal-appearing appendix and no other problemIt also may move behind the colon (called a
explaining the symptoms. He may remove theretro-caecal appendix). From one hand it is better
appendix anyway because it is better to remove abecause retro-caecal appendix has less chances to
normal-appearing appendix than to miss mild case ofburst into peritoneal cavity, from the other it is
appendicitis.To cool down the infection beforedifficult to diagnose and it is difficult to approach
surgery doctors use antibiotics. Antibiotics maysurgically. Inflammation of other organs, for example,
convert acute appendicitis into more chronic type.female pelvic organs, may resemble inflammation of
However the removal of the appendix is thethe appendix. Pregnant women may have appendix
choice.With modern technology it becomes muchpushed up in abdomen by the enlarged uterus.
easier to distinguish appendicitis and other causes ofAthletic young adults may tolerate more pain and
pain in right lower quadrant. Yet there is no 100%may have not so obvious symptoms of appendicitis.
proof diagnostics. Sometime doctors treat withOld patients may have vague symptoms as
antibiotics alone, when they are not sure. Though,well.Other inflammatory problems may mimic
modern CT-scan shows appendicitis almost close toappendicitis. Surgeons often observe patients with
100%.What would happen if you miss the appendicitissuspected appendicitis for a period of time to see if
and appendix bursts? You will get one of the mostthe problem will resolve or suggest appendicitis more
dreaded surgical complication - peritonitis. Again, "-itis"strongly versus another condition. Conditions that
equals inflammation. Peritoneum means the peritonealmimic appendicitis are:1) Meckel's diverticulitis. 2) Pelvic
cavity.It is difficult to describe the shape of theinflammatory disease -infection of tube and ovary. It
peritoneal cavity . That shape is very complex. Simpleis treated with antibiotics alone 3) Fluids from the
explanation: peritoneal cavity is like a closed bag. It isright upper abdomen may drip into the lower
completely closed in malesFemale have small holes inabdomen and cause inflammation resembling
the peritoneum. Oocytes (future babies) go fromappendicitis. Then, for example, patient has gallbladder
ovaries first to peritoneal cavity. The holes in thedisease or liver abscess, but all symptoms suggest
peritoneum allow oocyte to go into Fallopian tubes.acute appendicitis. 4) Diverticulitis that occur on the
Fallopian tubes lead into the uterus (womb in Englishright side. 5) Inflammation of right kidney. 6) Crohn's
or hyster in Latin or uterus in Greek). Organs that aredisease or ulcerative colitis 7) Yersinia enterocolitica
covered by peritoneal cavity linings are namedinfection - the bacteria that comes form certain food
intra-peritoneal. There are also melo-peritoneal,- like unpasteurized milk. - may cause appendicitis 8)
extra-peritoneal or retro-peritoneal organs thatpassing kidney stone 9) ectopic pregnancy 10)
covered partially or not covered at all. It looks likeovarian cyst rupture. And so on. There are some
the main function of peritoneum (peritoneal cavity) isother conditions.Appendectomy is performed urgently
to give some lubrication to your guts. Though thereusually. Thomeo is Latin for dissect or cut. Lapar - is
are other functions as well.Now, take a plastic bag,abdomen (belly) in medical Latin. Laparotomy is
pour a little bit of water or oil into it and seal. Put oneopening of belly. Appendectomy is cutting of
hand on one side of the bag, another hand - onappendix. Laparoscopy is looking (by scope) into belly.
another side of the bag and rub against each other.Antibiotics almost always are given prior to surgery
You can see your hands slide easily. This is the ideaas soon as appendicitis is suspected.Few patients
of peritoneum - you bowels slide easily against eachhave mild "confined appendicitis" localized to a small
other even when they are stretched by food andarea. These patients may improve during several
when they are pushing the digested food down.days of observation when treated with antibiotics
When a bowel is punctured (perforated), the contentalone. Doctors may or may not removed the
of the bowel will go into the peritoneal cavity. Colonappendix later. Chances are you are not one of this
(lower, bigger bowl) has the fecal material. Fecalpatients.If a person has not seen doctor for many
material consists of bacteria on 2/3 (yeah, there aredays while appendicitis ruptured (yeah, sometime
so many of them). Now, that small puncture in onehappens; there are some tough guys), an abscess
part of the gut will cause spillage of the bacteria allmay form, and the perforation may close. Initially it
around that closed bag of peritoneum.Guts on insidecan be treated with antibiotics; however, that will
have several mechanisms protecting from bacteria.require drainage later. A drain is guided under
Peritoneal cavity doesn't' have such a protection.Smallultrasound or CT scan and appendix is removed after
puncture in one part of gut will cause all of you gutsthe abscess resolves.In modern days surgeons offer
be inflamed on outside non-protected side (for thelaparoscopic appendectomy. They insert laparoscope
gut it is outside, but for the peritoneal cavity it is the(it is like a small telescope with a video camera) and
inside). This is the peritonitis (diffuse). This what theremove appendix with special instruments through
surgeons are afraid of. Look at you. You belly is likesmall puncture wounds.If you had this type of
half of you body. So it is like half of you body issurgery, you will probably have four 1-cm size scars
severely inflamed. Eventually it may lead to sepsis, aand you will go home in one or two days.But if your
condition in which bacteria enter the blood and infectcase is complicated or there is just no laparoscopy in
other parts of the body. This is life-threateningthe hospital, they will do classical appendectomy.
complication.Sometime inflammation stays local andSurgeon cuts 10-cm incision in the area of the
seals off forming an abscess. Abscess is the walledappendix. Appendix is removed form the right lower
off accumulation of pus. Pus is the mixture of deadabdomen or where it is. Area is checked for other
and alive bacteria, dead white blood cells (leukocytes;problems. In the case of abscess the purulent stuff
leukos = white, cyte = cell) that fought the infectionwill be drained with rubber tubes through the skin.
and honorably died, and dead tissue, that wasWith that kind of surgery you will probably stay for
digested partially by bacteria and partially by the stufffour to seven days. Antibiotics will help to resolve the
from leukocytes. Inflamed peritoneum (the lining ofabscess.This is why you sign the consent:
the peritoneal cavity is also named peritoneum) easily"laparoscopic appendectomy, possible conversion to
adhere to each other and may seal of the infection -an open appendectomy".The most common
there will be local peritonitis. Any adherence maycomplication of appendectomy is wound infection. If
cause problems in the future - guts do not slide easilyit is severe, the surgeon will postpone incision closure
anymore and food or stool sticks. Blockage of thefor several days.Ok, now you have those four small
intestine may occur in acute appendicitis as well. Thisscars or one big scar, you go home and visit that
is partially responsible for the nausea and vomiting.party that you missed.Aleksandr Kavokin, MD1994
Sometimes, when antibiotics are used, appendicitisRussia,PhD1997 Russia - Immunology and Allergy,
goes away without surgical treatment. It happens inpostdoc at Cancer Center at Med U of South
elderly patients. The patients may come to theCarolina, postdoc at Yale - Cardiology, Molecular
hospital with a lump or a mass in the right lowerMedicine.