319 - Inflammatory Bowel Disease Flashcards
What are the two age decades groups in which IBD may appear?
- 2-4
2. 7-9
What are the risk factors for IBD? (5)
- High socioeconomic status
- Living is the city
- Bacterial gastroenteritis
- Westerns diet
- Ethnicity
Smoking is a risk factor for ____, and a protective factor for _____
Crohn’s disease
Ulcerative colitis
There are three main types of Abx that may change the microbiota and lead to inflammation:
Metronidazole
Ciprofloxacin
Clindamycin
UC (ulcerative colitis) is a ____ disease, usually involving the ____ and spreads ____ in a continuous fashion.
Mucosal
Rectum
Proximally
Most UC (___%) is limited to the rectum and recto-sigmoid
(40-50%)
Some of the UC (___%) cases continue past the sigmoid but does not extend past the ___
30-40%
Colon
> __% of UC cases are classified as total colitis. In these cases, ____ cm of the terminal ileum may be inflamed
20%
2-3
In prolonged UC, we may find ____ (____)
Inflammatory polyps
Pseudopolyps
In fulminant UC ___ may occur- the thin membrane may be severely ulcered- risk for ____
Toxic mega colon
Perforation
In UC there is a correlation between the ___, ___, and ___ features
Histological
Endoscopic
Clinical
Histological feature that may suggest chronic UC include: (2)
- Architecture disturbance of the crypts
2. Basal aggregate of the chronic inflammation cells (lymphoid/plasma)
Vascular ____, edema, focal ____ and inflammatory infiltration of inflammatory cells (___,__,___,___) is possible in UC
Congestion Bleeding Lymphocytes Neutrophils Plasma cells Macrophages
____ infiltration to the epithelium, usually in crypts (___), and sometimes even crypt ____
Neutrophilic
Cryptitis
Abscess
In CD (Crohn’s disease), all parts of the GI may be involved: 30-40% ____, 40-55% ____, 15-25% ___. In patients with ileum involvement -90% of them will have ___ involvement
Ileum only
Ileum + colon
Colitis only
Terminal ileum
CD spread is ____ characterized by ___ and trans-____ involvement
Segmental
Skipped lesion
Mural
Perirectal disease (___,___,___) and anal stenosis is found in 1/3 of the patients with CD
Fistula
Fissure
Abscess
In CD it is rare to see ___ or ___ involvement.
Pancreatic
Liver
When preforming endoscopy in patients with CD, it is common to find the typical appearance of ____.
Cobblestone
When CD is in the active phase, there will be ____ and ____. As time progresses, they will go through fibrosis and may turn into strictures that can eventually cause recurrent ____
Focal inflammation
Fistulas
Bowel obstruction
The microscopic features of early lesions in CD include: (3)
- Aphthoid ulcerations
- Crypt abscess
- Macrophage aggregate
Macrophage aggregate in CD patients lead to ____ in all layers of the ileum. Other locations may include: (3)
Noncaseating granuloma
Lymph nodes
Mesenterium/peritoneum
Liver/pancreas
Noncaseating granuloma is a ____ finding in CD, but is ___ to find them in biopsy. In surgical resections they are seen in ____ of cases
Pathognomonic
Rare
50%
The main clinical symptoms of UC include: (5)
- Diarrhea
- Rectal bleeding
- Tenesmus
- Mucus secretion
- Crampy abdominal pain
In proctitis, patients will complain about ___ when passing stool, bloody ____ and ___. Abdominal pain is ___.
Fresh blood
Mucus
Tenesmus
Rare
In CD toxic colitis is defined by __ and ___. Megacolon can be found when hearing ___ in the physical examination.
Dull pain
Bleeding
Hepatic tympany
In both cases (Toxic colitis/Megacolon) we might see ____ if there is ____
Peritonitis
Perforation
What lab results we must pay attention to in an active UC disease? (4)
- Inflammatory markers (CRP,PLT,ESR)
- Hemoglobin (anemia)
- Fecal calprotectin
- Leukocytosis
Fecal calprotectin is a fecal marker that can predict IBD ___, identify ____, and has a good correlation with UC histology. In recent years it is an integral feature in IBD ___. It can identify ____ inflammation TO rule out IBD, when ___ or ___ are suspected
Recurrence Pouchitis Management Active IBS bacterial overload
Sigmoidoscopy is used in UC to evaluate the degree of the disease, usually before ___ initiation
Treatment
In UC, colonoscopy is used in non-___ sate in order to evaluate the severity of the disease. When light- ___, medium- significant erythema, ___, friability, ____, spontaneous bleeding.
Acute
Erythema
Lack of vascularity
Erosions
MRI and CT are ____ efficient for diagnosis of UC
Less
In order to diagnose UC, we need: ____, ____ (CD toxin/parasites/bacteria), ____, ____ (rectum/colon)
Clinical features
Negative fecal sample
Endoscopy
Biopsy
How many of UC patients will present with severe complication?
15%
What are the common severe complications UC patients will suffer from? 1%-____, 5%-____, most dangerous-___, ____(severe ulcerations), ____ (5-10% on neoplastic background)
Massive bleeding Toxic megacolon Perforation Toxic colitis Strictures
In UC most patients with massive bleeding treating the attack will cease the bleeding. In some cases ___ will be needed- patients who received ____ blood units within ___ hours
Colectomy
6-8
24-48
In UC patient with toxic mega colon- transverse colon >___ cm. Possible triggers may include ___, and narcotics.
6
Electrolytes disturbance
In ____ of UC patients with toxic megacolon pharmacological treatment will be sufficient, while in other cases ___ is needed
50%
Colectomy
Pharmacological treatment for UC patients with toxic megacolon includes: (5)
NPO Zonda Fluids Abx Steroids/ 5ASA
In UC patients with strictures we will always suspect neoplasia. When colonoscopy is blocked- it is considered as ____ until proven otherwise. It is also an indication for ___.
Neoplasia
Surgery
CD clinical features include 2 main patterns: penetrating- ____, obstructing - ____. The ___ of the disease will affect the clinical presentation.
Fistulous
Fibrostenotic
Location
The most common location of inflammation in CD is ___ (___).
Terminal ileum
Ileocolitis
The primary presentation of ileocolitis may imitate ___. Attacks of ___ with ___. The pain is usually ___
Appendicitis
RLQ pain
Diarrhea
Crampy
In ileocolitis in CD patients ___ passage ___ the pain
Stool
Lowers
Weight loss of ____ can be seen in CD patients with ileocolitis
10-20%
Ileocolitis in patients with CD can suffer from urinary symptoms such as: ____ leading to cystitis. and ileum blockage with ___ sign.
Urinary ureter blockage
String
In patients with CD suffering from jejunoileitis the gut losses ___ for absorption, leading to ___ and ____
Surface area
Malnutrition
Steatorrhea
What kind of nutritional deficits can be caused by jejunoileitis in CD patients? (5). Remember also- B3 deficiency causing pellagra and coagulopathy
- Anemia
- Hypoalbuminemia
- Hypocalcemia + vit D deficiency
- Hypomagnesemia
- Hyperoxaluria + nephrolithiasis
In patients with CD suffering from active jejunoileitis, we will see ___ due to: 1) ____ in stasis due to obstruction or fistula, 2) malabsorption of ____- due to resection or disease, 3) ____ malabsorption + ____ secretion
Diarrhea Bacterial overgrowth Bile salts Fluids Electrolytes
In patients with CD suffering from acute colitis & perianal disease we will see: (4)
- Low fever and lethargy
- Diarrhea
- Cramping abdominal pain
- Hematochezia
In CD patients ____ is less common than with UC patients. Only ___% with Crohn colitis, 1-2% with ___
Hematochezia
50
Massive bleeding
What are the 3 complications In patients with CD suffering from colitis & perianal disease? (3)
- Toxic megacolon
- Strictures
- Fistulas
Which lab results are worth following in patients with CD? (4)
Inflammatory markers (CRP/ESR)
Hypoalbuminemia
Leukocytosis
Anemia
In an endoscopic examination of CD patients we may find: (4)
Rectal sparing
Aphthous ulcers
Fistulas
Skipped lesions
Using WCE (___) when examining CD patients has a better value than using ___ or ___
Wireless Capsule Endoscopy
MRI
CT
In CD, perforation occur in ___ of patients, abdominal/pelvic abscess in ___, ___ in 40%
1-2%
10-30%
Bowel obstruction
P-ANCA is found in 60-70% of ___ patients, and 5-10% of ___ patients
UC
CD
ASCA is found in ___ of CD patients, 10-15% of ___ patients.
60-70%
UC
Where is it more common to find to following (UC vs CD): Fecal blood -\_\_\_ Mucus in feces- \_\_\_ Systemic symptoms-\_\_\_ Pain-\_\_\_ Abdominal mass\_\_\_
UC UC CD CD CD
Where is it more common to find to following (UC vs CD): Perineal disease-\_\_\_ Fistulas-\_\_\_ Bowel obstruction-\_\_\_ Colom obstruction- \_\_\_ Abx responsiveness- \_\_\_
CD CD CD CD CD CD
Where is it more common to find to following (UC vs CD): Relapse post surgery- \_\_\_ ANCA-\_\_\_ ASCA-\_\_\_ Rectal sparing-\_\_\_ Continues disease-\_\_\_
CD UC CD CD UC
Where is it more common to find to following (UC vs CD):
Cobblestone-___
Granuloma-___
Pathologic ileum-___
CD
CD
CD
Where is it more common to find to following (UC vs CD): Pathologic terminal ileum-\_\_\_ Segmental colitis- \_\_\_ Asymmetric colitis-\_\_\_ Strictures-\_\_\_
CD
CD
CD
CD
Erythema nodosum is found in ___ of CD patients, and in __ of UC patients. Relapse is ___with the disease and appear after gut clinic.
15%
10%
Correlated
Erythema nodosum are characterized by ___ warm and sensitive ___, 1-5 cm in the anterior plain of the lower ___, ankles, ___, ___, and arms.
Red Nodules Legs Calves Thighs
Pyoderma gangrenosum is less common in ___, but appear in 1-12% of ___ patients . It is ___ to the clinical state of the disease, but is usually found when the disease is ___
CD
UC
Independent
Severe
Pyoderma gangrenosum usually appear in the ___ part of the feet, but may also occur on the ___, ___, and ___.
Dorsal
Arms
Chest
Face
Pyoderma gangrenosum has a ____ lesion that spreads and then ___. At the center of the lesion there is a ___ tissue with blood. They can grow up to ___ cm and are hard to treat.
Pustular
Ulcers
Necrotic
30
Pyoderma gangrenosum treatment includes: (4). Other treatments include: cyclosporine, infliximab
- Abx IV
- Steroids IV
- Thalidomide
- Dapsone
What are the 2 most common rheumatologic manifestations in IBD patients?
Peripheric arthritis (more in CD) Ankylosing spondylitis (more in CD)
What are the 3 most common ophthalmologic manifestations in IBD patients?
- Conjunctivitis
- Ant. uveitis/iritis
- Episcleritis (more CD)
What are the 3 most common hepatobiliary manifestations in IBD patients?
- Fatty liver
- Gallstone
- PSC (more in UC)
What are the 3 most common urological manifestations in IBD patients?
Lithiasis
Ureter obstruction
Fistula
What are the 2 most common metabolic manifestations in IBD patients?
Bone marrow decrease
Osteonecrosis
In most cases extraintestinal manifestations are ___ with the degree of the gut disease (beside in __ and __. They are more common in ___ ( beside __, ___, __ which are more common in UC)
Not correlated Peripheric arthritis Erythema nodosum CD Pyoderma gangrenosum PSC Sacroiliitis
Treating IBD with 5-ASA can lead to ___ in both __ and __. It is used mostly in light-medium __ and maintenance of __
Remission UC CD UC UC
Name 1 sulfa and 3 non sulfa drugs for IBD treatment
Sulfasalazine
Olsalazine
Balsalazide
Delizicol
How long do 5-ASA drugs are active for?
2-4 weeks
Steroids are used in both IBD for ___ but not for ___
Remission
Maintenance
Steroids are useful in ___ levels of IBD when ___ has failed to treat
Medium-severe
5-ASA
Which antibiotics are used for treating IBD? (2)
Metronidazole
Ciprofloxacin
What are the S/E of metronidazole? (3)
Nausea
Metallic taste
Peripheral neuropathy
What is the most common S/E of ciprofloxacin?
Achilles tendinitis and rapture
Using Abx in UC is useful when treating ___ post ___. it has no role in treating active disease.
Pouchitis
Colectomy
Using Abx in CD is useful when treating ___ or___. it is also useful post ___ for prevention
Perianal disease
Fistulas
Ileum resection
Imuran (6MP + azathioprine) are ___ analogues. It is used for ___ in both IBD, postsurgical prophylaxis in ___, and perianal/fistulas in ___
Purine
Maintenance
CD
CD
What are the most common S/E of Imuran? (5)
Pancreatitis General (fever/nausea/rash) Hepatitis BM depression Lymphoma
MTX is good for ___ in CD patients. it also helps in reducing ___ dosage. S/E include: (3)
- Leukopenia
- Liver fibrosis
- Hypersensitivity pneumonitis (ILD)
Cyclosporine is especially efficient in ___ patients that do not react to steroidal treatment. It can be used as an alternative for ____. It is important to make sure levels are between ____
UC
Colectomy
150-350 ng/mL
Name 5 of the most common S/E of cyclosporine: (5).
Other important S/E include: PCP opportunistic infection, anaphylaxis, death.
RF HTN Gum hyperplasia Paresthesia Electrolytes disturbance
Tacrolimus is a macrolide, useful or treating ___ with ___ disease, adults with dispersed ilium disease.
Children
Refractory
Anti TNF is preferred over ___ treatment
Biological
CD patients can gain remission when receiving ___ while ___.
TPN
Fasting
In 50% of UC patients with widespread disease ____ is necessary within the first ___ years of the disease. The treatment of choice is ____
Surgery
10
IPAA (ilea pouch anal anastomosis)
In UC there is a high risk for ___ carcinoma
Colon
In CD there is a high risk for different types of malignancies: ___, ___, ___
Non Hodgkin’s lymphoma
MDS
Leukemia