Monday, December 14, 2009

181 - Arteriographic abnormalities in Takayasu disease


Artery
Percent of
Arteriographic
 Abnormalities
Potential Clinical
Manifestations
Subclavian
93
Arm claudication,
Raynaud's phenomenon
Common carotid
58
Visual changes, syncope, transient 
ischemic attacks, stroke
Abdominal aortaa 
47
Abdominal pain, nausea, vomiting
Renal
38
Hypertension, renal failure
Aortic arch or root
35
Aortic insufficiency, congestive
heart failure
Vertebral
35
Visual changes, dizziness
Coeliac axisa 
18
Abdominal pain, nausea, vomiting
Superior mesenterica 
18
Abdominal pain, nausea, vomiting
Iliac
17
Leg claudication
Pulmonary
10–40
Atypical chest pain, dyspnea
Coronary
<10
Chest pain, myocardial infarction

aArteriographic lesions at these locations are usually asymptomatic but may potentially cause these symptoms.

Tuesday, December 8, 2009

182 - Chemical carcinogens - IARC group 1 (selected)



CHEMICAL CARCINOGENPREDOMINANT TUMOR TYPE
AflatoxinsLiver cancer
Benzene Leukemia
CyclophosphamideBladder cancer, Leukemia
Diethyl stilbestrol (DES)Vaginal and clear cell adenocarcinomas
Estrogen replacement
therapy
Endometrial and breast cancers
TamoxifenEndometrial cancer
Tobacco products
(smokeless)
Oral cancer
NickelLung cancer
CadmiumLung cancer
Chromium (VI) compoundsLung cancer
BerylliumLung cancer
Tobacco smokeLung cancer, Oral cancer, Pharyngeal cancer,
Laryngeal cancer, esophageal cancer
(squamous
cell), pancreatic cancer, bladder cancer,
Liver cancer, Renal cell carcinoma, Cervical cancer,
Leukemia
Vinyl chlorideAngiosarcoma of liver, hepatocellular
carcinoma,
brain tumors, lung cancer, malignancies of
lymphatic and hematopoietic system 
ChlorambucilLeukemia
Arsenic Skin cancer
BenzidineBladder cancer
Coal tarSkin cancer and scrotal cancer
Ethylene oxideLeukemia and lymphoma
Chinese style salted fishNasopharyngeal carcinoma
TCDD
(2,3,7,8-tetrachlorodibenzo
-para-dioxin)
Soft tissue sarcoma


*IARC stands for International agency for Research on Cancer.
*Only tumor types for which causal relationships are established are listed here.
*Tamoxifen is shown to prevent contralateral breast cancer.

Subscribe Now: Feed

You are visitor number

Visitors currently online