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Monday, June 30, 2008

A Simple Guide to Salpingitis

A Simple Guide to Salpingitis
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What is Salpingitis?
----------------------

Salpingitis is an acute or chronic infection of the fallopian tubes in females.


What are the causes of Salpingitis?
---------------------------------------

Acute Salpingitis is usually caused by the following:

Infections:
1.sexually transmitted disease like gonorrhea,trichomonas and chlamydia.

2.tuberculosis salpingitis is rare

3.Infection may follow chilbirth or abortion

Mechanical irritants:
intrauterine device may cause acute or chronic Salpingitis


What are the symptoms and signs of Salpingitis?
------------------------------------------------

Persons who has Acute Salpingitis has the following
Symptoms:

1.severe lower abdominal pain

2.purulent vaginal discharge

3.painful or frequency of urination

4.fever

Signs:
1.tenderness in either lower abdominal quadrant

2.discharge can be seen in female vagina

3.vaginal examination - lateral movement of cervix causes pain
- palpation of the fallopian tubes may be very painful


How do you diagnose Salpingitis?
--------------------------------

Diagnosis can usually be made by :
1.History of lower abdominal pain with vaginal discharge

2.Tenderness in lower abdominal region with occasional palpation of tender mass
in the fallopian tube region

3.vaginal examination for tenderness in the tubes region

4.swab to culture for bacteria and sexually transmitted organisms and the antibiotic most appropriate for it.

5.Full blood count

6. endoscopy to examine the fallopian tubes


What are thae complications of Salpingitis?
-------------------------------------------

Acute Salpingitis may progress to chronic Salpingitis:

1. tubal infection with abscess formation(pyosalphinx) or cyst formation(hydrosalphinx)

2. Pelvic abscess

3. Ovarian infection

4.Infertility due to tube blockage

5. Peritonitis may occur with rupture of cyst and abscess


What is the treatment of Salpingitis?
-------------------------------------

1.Approprate Antibiotics for infections especially after uterine bacterial culture

2.Bedrest

3.Surgery may be necessary in cases not responding to antibiotics.
Drainage of the abscess may be done and infected tube resected if necessary


What is the prognosis of Salpingitis?
-------------------------------------------------------

Prognosis is usually good with current antibiotics and medication.

Sexual partner may need to be treated.

Recurrence is quite common.

Infertilty may result in blocked or scarred fallopian tubes

Sunday, June 29, 2008

A Simple Guide to Menorrhagia2(Excessive Menstrual Bleeding)

A Simple Guide to Menorrhagia2(Excessive Menstrual Bleeding)
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What is a Menorrhagia?
--------------------------


Menorrhagia is a symptom defined as heavy, prolonged and/or irregular menstruation .

What are the causes of Menorrhagia?
-------------------------------------

1.Physiological(hormonal): most common
-----------------------------------
Excessive menstrual bleeding occurs when no ovulation takes place in a menstrual cycle with resultant excess oestrogen stimulation of the endometrium that results in the shedding of the thickened uterine lining and heavy bleeding when the oestrogen drops.

A defective persistent corpus luteum which results from an abnormal ovulation can also cause the shedding of the nedometrium for a longer period resulting in prolonged bleeding.

Other factors that may make heavy menstrual bleeding are:
2.Uterine Pathology:
-----------------------
polyps,
fibroids
endometriosis
infection
carcinoma

3.Systemic Diseases:
-----------------------
Bleeding diseases
Hypothyoidism
liver disease
Pelvic inflammatory Disease(PID)
Polycystic Ovarian syndrome(PCOS)

4.Medical causes:
--------------------
anticoagulants which are preventing clotting of blood
intrauterine device for contraception


How to establish a diagnosis of Menorrhagia?
---------------------------------------------

History:
--------------
Menstrual history:
cycle length, number of bleeding days, degree of blood loss(number of pads used per day), presence of blood clots, dysmenorrhea

Contraception:
use of IUD
contraceptive pills

Symptoms suggesting underlying pathology:
Metabolic disorders:
symptoms of hypothyroidism
symptoms of polycystic ovarian syndrome

Bleeding disorders:
easy bruising
anticoagulants

Pelvic inflammatory Disease:
pelvic pain especially during intercourse
vaginal discharge
dysmenorrhea

Endometriosis:
pelvic pain
dysmenorrhea

Physical Examination:
-----------------------------
Signs of underlying diseases:
bruising
hypothyroid features
pallour(anaemia)
PCOS features(hirsutism,acne,overweight)

Abdominal examination:
tenderness,
palpable uterine or ovarian masses

Pelvic examination:
vulval and vaginal examination
bimanual palpation for masses
cervical smear

Investigation:
------------------
Full blood count including hemoglobin(to exclude anemia from loss of blood) and platelets(low platelets can cause bleeding)

Transvaginal ultrasound to exclude uterine fibroids and polyps -postmenstrual scans is best when the endometrium is at its thinest.

Endometrial hysteroscopy and biopsy in women over 40 to exclude uterine cancer


What is the Treatment of Menorrhagia?
-------------------------------------------
Medications:
-------------

1.Tranexamic acid- oral antifibrinolytic, given only when there is heavy bleeding

2.Combined oral contraceptives - prevent proliferation of the endometrium, reduces blood flow. Side effects are fluid retention, nausea, headache,deep vein thrombosis, mood changes, breast tenderness

3.oral progesterone - also prevent proliferation of the endometrium-usually less side effects bloating, headache, mood changes, breast tenderness

4. Injected progesterone -also prevent proliferation of the endometrium -similar side effects as oral progesterone. One additional side effect is the possibility of bone density loss. Evaluation of bone density should be done.

5. Levonorgestrel-releasing intrauterine system(LNG-IUS)
-also prevent proliferation of the endometrium
-side effects includes irregular bleeding up to 6 month, amenorrhea(no menses),
breast tenderness, and headache.

Surgery
-------------

1.Endometrial ablation
may be done only
a.if medications has failed
b.if no desire to coceive
c.if the uterus is normal

Usually involve the removal of the endometrium through the cervical opening.
There are forms of endometrial ablation:
a.First generation:
hysteroscopy with general anaesthesia
-Rollerball ablation
-Transcervical resection of the endometrium

b.Second Generation:
non-hysteroscopy, no general anaethesia, day surgery,fast recovery
-Impedance-controlled bipolar radiofrequency ablation
-balloon thermal ablation
-microwave ablation
-free fluid thermal ablation

2. Hysterectomy
used only as a last resort in treatment of menorrhagia
if other treatment are contraindicated
there is a desire for amenorrhea
there is no desire to retain uterus and fertility

Treatment of Underlying causes:
----------------------------------
hypothyroidism with thyroxine tablets

intrauterine device removal

reduce anticoagulant treatment if possible

treat any bleeding disease with platelets or blood factor deficient infusion

treatment of endometriosis,

antibiotic treatment of pelvic inflammatory idsease

treatment of uterine carcinoma

surgical removal of fibroids and polyps

Wednesday, June 25, 2008

A Simple Guide to Paronychia

A Simple Guide to Paronychia
-----------------------------------


What are Paronychia?
--------------------------


Paronychia is acute or chronic infection of the tissue surrounding the nails of fingers or feet.

What are the Causes of Paronychia?
---------------------------------------------

There are two main causes of Acute Paronychia:
1.Bacteria-pseudomonas, Proteus,staphylococus

2.Fungal- candida

Chronic Paronychia:
1.Fungal- candida

2.Bacterial-pseudomonas

Micro-organisms usually enter through injured or damaged tissues from a ingrowing nail or sharp nail.

Tissues around the base of the cuticles becomes infected and inflammed, usually on one side of the nail.

Pus may form and oozes from the infected tissues.


What are the Symptoms of Paronychia?
----------------------------------------------

1.Acute paronychia:
----------------------

1.swollen

2.painful

3.red nail fold

4.may dicharge pus

2.Chronic paronychia
-----------------------

1.recurrent

2.painful

3.swollen tissues at base of nail

4.pus may be present

5.nail plate may rigid, distorted or invaded by micro-organism


What are the investigations for Paronychia?
----------------------------------------------

Swab for culture and sensitvity to antibiotics

Exclude Diabetes


What is the Treatment of Paronychia?
----------------------------------------------

Acute Paronychia:
-----------------------

1.Systemic antibiotics

2.Incision and drainage of pus

3.Surgical excision of part of the cuticle causing tissue damage(Ingrowing toenails) and the removal of infected lateral nail folds

Chronic Paronychia:
---------------------

1.Keep hands dry and use protective gloves

2.Apply anti fungal lotions and creams such as clotrimazole, nystatin

3.Systemic anti fungals such as griseofulvin or ketoconazole

4.Treat secondary bacterial infections with antibiotics


What are the Prevention measures in Paronychia?
---------------------------------------------------------

1.Avoid pressure on the lateral folds of the nails

2.Footwear should not be too tight

3.Avoid biting of nails

4.Avoid constant contact with water and soaking in water

5.Cutting of nails should not be too deep

6.Good personal hygience

Saturday, June 21, 2008

A Simple Guide to Diverticulosis

A Simple Guide to Diverticulosis
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What is Diverticulosis?
---------------------------------------

Diverticulosis is a disorder of the colon or large intestine where there are one or more sac-like pouches(called diverticula) in the walls of the colon.

It is more common in the descending and sigmoid colon.


Who is affected by Diverticulosis?
---------------------------------------------------

Diverticulosis becomes more obvious with age.
50% of people over the age 0f 60 years have Diverticulosis.


What is the Cause of Diverticulosis?
-----------------------------------------------------

The exact cause of Diverticulosis is not known.

It has been suggested that a low-fiber diet is the main cause of diverticular disease.

Diverticulosis is common in developed countries where low-fiber diets are common whereas it is rare in Asia and Africa where people eat high-fiber vegetable diets.

Fiber prevents constipation which can make the muscles strain and increase pressure in the colon.

This increased pressure makes the weak spots in the colon lining to bulge out like pouches and become diverticula.


What are the Symptoms of Diverticulosis?
-----------------------------------------------------------

Most cases of Diverticulosis have no or little symptoms.

In the more severe cases, the main symptoms of Diverticulosis are:

1.Abdominal pain or cramps-usually over the left side or over the lower abdomen

2.Bloating

3.constipation

The symptoms can range from mild to severe.


How do you make the Diagnosis of Diverticulosis?
------------------------------------------------------------

1.A history of abdominal pain especially on the left lower abdomen, bloating and constipation

2.The physical exam consists of
a.palpation of the left abdomen for tenderness or masses
b.digital rectal exam to detect tenderness or blood.

3.stool may be tested for blood

4.blood tests(WBC,ESR,bood culture) are done for evidence of infection.

5.Xrays of the abdomen and barium enema may be done to show evidence of pouches in the colon

6.Colonoscopy is also done to confirm evidence of diverticulosis and exclude malignant tumours.


What are the complications of Diverticulosis?
---------------------------------------------------

1.Diverticulitis
Diverticulitis occurs when diverticula become infected with bacteria, viruses or become inflamed.
Bacteria are caught in the pouches and develops into diverticulitis suddenly.

The symptoms and signs of diverticulitis are:
1.abdominal pain usually continuous in the lower left abdomen with tenderness

2.fever due to infection,

3.nausea, vomiting,

4.cramping,

5.constipation

6.rectal tenderness

Diverticulitis can lead to:

1.Bleeding,
rare.
Bleeding can be severe caused by a small blood vessel in a diverticulum that weakens and finally bursts.
Surgery may be needed to stop bleeding if bleeding continues.

2.Abscess, Perforation, and Peritonitis
Often a few days of treatment with antibiotics will cure the diverticulitis.
If the infection gets worse, an abscess which is an infected area with pus may form in the colon.

Small abscesses usually clear up with antibiotics.

More severe abscesses may require drainage of the pus using a catheter.

If pus leaks from perforations in the lining of the colon, then it can cause infection in the abdominal cavity and results in peritonitis.

This is an emergency and requires immediate surgery to clean up the pus in the abdominal cavity and removal of the damaged part of the colon.

3.Intestinal Obstruction
The infection of the diverticula can cause scarring of the lining of the colon resulting in partial or total blockage of the large intestine.

If the obstruction blocks the intestine completely, emergency surgery is required to allow faecal matter to pass through.

A temporary colostomy may be necessary.

4.Fistula
occurs as an abnormal connection between two organs or between an organ and the skin.

It results from the damaged tissues coming together and an opening is left between the two tissues.

Usually the bladder, small intestine, vagina, and skin are the organs involved.

The most common fistula occurs between the bladder and the colon especially in men. This can cause a long-lasting infection of the urinary tract.

Surgery may be necessary to remove the fistula as well as the damaged part of the colon.

5.Urinary tract infections occurs frequently due to the fistula and proximity of the bladder to the infected colon.

6.Discarge of faecal material may occur through a fistula between the colon and vagina in some women.


What is the treatment of Diverticulosis?
-------------------------------------------------

Medication:
1.pain medications will relieve any pain symptoms.

2.Antispasmotic mediacation for spams of the colon

3.Antibiotics may be needed in diverticulitis and complications such as urinary infection and peritonitis.

Diet:
1.high-fiber diet

a.whole grain breads and cereals;
b.fruit like apples and peaches;
c.vegetables like carrots, broccoli, spinach, carrots, cabbage, beans.

2.fiber product such as Metamucil once a day.

3.Avoid nuts, popcorn, pumpkin, and sesame seeds or any food which can cause discomfort in the abdomen

Diverticulitis
1.Antibiotics to treat the infection and inflammation,

2.resting the colon by bed rest, nasogastric suction and a liquid diet

3.hospital stay to prevent complications such as abscess.

4.surgery if the attacks are severe or there are complications.
The surgeon resects the affected part of the colon and then joins the remaining sections.

Surgery is also done for complications such as a fistula or intestinal obstruction.

Emergency surgery may be done for a large abscess, perforation, peritonitis, or continued bleeding.


What is the prognosis of Diverticulosis?
------------------------------------------------------

About 1% develop diverticulitis.
70% of patients with acute attacks of diverticulitis can be treated with medical management and have no further attacks

Wednesday, June 18, 2008

A Simple Guide to Pancreatic Cancer

A Simple Guide to Pancreatic Cancer
----------------------------------------


What is Pancreatic Cancer?
------------------------------

Pancreatic Cancer is a malignant disease of the exocrine pancreas. 90% are adenocarcinomas.


What are the causes of Pancreatic Cancer?
-----------------------------------------

1.Smoking. cigarettes smoke chemicals has been known to damage the pancreatic cells

2.Diets rich in red meat- high protein tends to stmulate more enzymes frm pancreas and cause dysfunction in the cells

3.Diabetes mellitus -damage to islets in pancreas may contribute to pancreatic cancer

4.Chronic pancreatitis has been found to have some causal effect

5.Helicobacter pylori infection -known to cause stomach cancer and also pancreatic cancer

6.Occupational exposure to certain chemicals including insecticides

7.Family history -there is a family history in 5-10% of pancreatic cancer patients

8.Obesity - the high fat diet may induce more disease of bile system with blockage of its tract


What are the symptoms and signs of Pancreatic Cancer?
-------------------------------------------------------

Symptoms - non-specific and varied.

1.pain in the upper abdomen that typically radiates to the back

2.pain relieved by leaning forward

3.painless jaundice related to bile duct obstruction (carcinoma of the head of the pancreas)

4.depression is sometimes associated with pancreatic cancer


Signs:

1.tenderness in upper abdomen

2.mass in the abdomen

3.Trousseau sign- Spontaneous blood clots in veins of extremities, or the superficial veins may indicate presence of pancreatic cancer.



How do you diagnose Pancreatic Cancer?
----------------------------------------------

Diagnosis can usually be made by :

History
-----------

1.pain in upper abdomen radiating straight to the back, worse on eating

2.Weight loss severe with anorexia, early satiety, diarrhea, or steatorrhea.

3.Jaundice -initially painless, itchy with dark urine.
Painful jaundice occurs later

4.onset of atypical diabetes mellitus

5.unexplained recent thrombophlebitis

6.past history of pancreatitis

Location of cancer
-----------------------

1.Tumors in the pancreatic body or tail usually present with pain and weight loss

2.Tumors in the head of the gland typically present with steatorrhea, weight loss, and jaundice.

Courvoisier sign
-----------------

presence of jaundice and a painlessly distended gallbladder is suggestive of pancreatic cancer

Liver function tests
---------------------

may show a combination of results indicative of bile duct obstruction (raised conjugated bilirubin, SGGT and alkaline phosphatase levels).

CA19-9 (carbohydrate antigen 19.9)
----------------------------------

is a tumor marker that is frequently elevated in pancreatic cancer.

Ultrasound or abdominal CT
------------------------------

may be used to identify tumors.

Endoscopic ultrasound (EUS) is another procedure that can help visualize the tumor and obtain tissue to establish the diagnosis.


What is the treatment of Pancreatic Cancer?
------------------------------------------------

Treatment of pancreatic cancer can be surgery or chemotherapy depending on the stage of the cancer.

Surgery
--------------

1.Where the head of the pancreas is involved, the Whipple procedure is the most common surgical treatment for pancreatic cancers.
It is a major surgery involving the the resection of the head of pancreas and requres the patient to be fit for the surgery and the tumor to be localised without metastases. Only in small number of cases can the surgery be done.

2.Cancers of the tail of the pancreas can be removes by a technique called distal pancreatectomy

3.localized tumors of the pancreas have been surgically removed using laparoscopy.

4.Surgery may be performed for relief of symptoms especially if the cancer is invading or pressing on the duodenum or colon.

5.Bypass surgery may prevent the obstruction of the pancreatic ducts and improve quality of life.

Chemotherapy
-----------------

is used for patients not suitable for surgery. It can relieve symptoms and improve quality of life

Gemcitabine was approved by the US FDA after a clinical trial reported improvements in quality of life in patients with advanced pancreatic cancer

Gemcitabine may used after surgery to remove tumor tissue remaining in the body. As a result 5-year survival rates has improved.

Other drugs such as oxaliplatin and fluorouracil have also beneficial effect.

Radiation therapy
--------------------

The use of additional radiation therapy follwing surgery has been used in USA while rejected by most doctors in Europe.


What is the Prognosis of pancreatic cancer?
-------------------------------------------------

The prognosis of pancreatic cancer is poor

1.because the cancer usually causes no early symptoms resulting in advanced or metastatic disease at the time of diagnosis.

2.Median survival from diagnosis is around 3-4 months;

3.5-year survival is lower than 5%.

4.Pancreatic cancer has the highest mortality of all the cancers.

5.Pancreatic cancer may sometimes cause diabetes.

How to prevent Pancreatic Cancer?
----------------------------------------

1.a healthy lifesyle

2.increase consumption of fruits, vegetables

3.reduce red meat intake

4.Vitamin D can reduce the risk of pancreatic cancer

5.B vitamins such as B12, B6, and folate in food but not in tablets may reduce the risk of pancreatic cancer

6.Avoid smoking and drinking of alcohol

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