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The website contains the most important ABSITE information.

Each "Question" is designed to address the knowledge found on the actual ABSITE test.

Please reply to any post with suggestions to add information or questions.

Thursday, December 27, 2012

Radiation Proctitis

Question: Treatment of radiation Proctitis with persistent bleeding
Answer: first sucralfate enemas then argon beam coagulation, then resection

Anal Cancer

Question: What is the treatment of Anal Cancer?
Answer See Below:
Anal Canal (above Dentate) - usually chemoradiation

    Adenocarcinoma - same concept as rectal cancer (if T1 and small < 3cm then WLE) - if not APR
    Squamous/Basaloid (cloacogenic), mucoepidermoid - NIGRO, if recurrent then APR
    Melanoma - no difference between APR and WLE
Anal Margin (below dentate) - usually excision
    Squamous of Basal - same concept as skin cancer, WLE although made need APR if sphnicters involved
    Bowen's disease - WLE with clear margins because this is malignant
    Paget's Disease - intractable itching, positive PAS, 1/3 with concurrent rectal cancer - WLE

Anal Anatomy

Question: Lymph Drainage of upper, middle, and lower rectum?
Answer: Upper and middle rectum lymph nodes drain to inferior mesenteric nodes whereas lower rectum drains into both inferior mesenteric and internal iliac nodes

Wednesday, December 26, 2012

Skin Grafts

Question: How dose a STSG get adequate nutrition/oxygen supply in the first week?
Answer: imbibition (diffusion from serum), then inosculation (capillary in-growth) in 2-7d

Appendicitis

Question: Etiology in Adults? Kids?
Answer: appendicolith (adults) -  lymphoid hyperplasia (children)
Question: Management of Cecal Fistula after appendectomy?
Answer: Non-operative management (most will close with time)

Appendiceal Carcinoid

Question: What is the treatment of an appendiceal carcinoid?
Answer: > 2cm or at base of appendix = Right hemicolectomy, < 2cm and not in base = appendectomy

Aneurysms (not abdominal aortic aneursyms)

rupture risk above inguinal ligament, thrombosis/emboli below inguinal ligament - bypass and exclude
Question: When do you operate:
Answer:
    - Splanchnic - repair all (50% rupture risk)
    - Splenic - > 2cm, symptomatic, pregnant or child bearing years
    - Iliac - > 3cm, symptomatic, mycotic
    - Femoral - > 2.5cm, symptomatic, mycotic
    - Popliteal - > 2cm, symptomatic, mycotic, often bilateral, most common complication is embolism (not thrombosis or rupture), screen for AAA
    - Renal - > 1.5cm, symptomatic, mycotic, women who want pregnancy