Sweep 1.5 Flashcards

1
Q

Fibroadenoma is the most common benign tumor of the female breast and usually appears in prepubertal girls and young women, with the peak prevalence in the third decade. They result from ———-. These tumors are ————– and comprised of both glandular epithelium and fibrous tissue. They usually appear as a solitary, discrete, freely movable nodule (1-10 cm in diameter). ———— is mandatory to verify its benign nature.

A

increased estrogen

encapsulated

Biopsy

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2
Q

Carcinoma of the breast can be classified as ————- or ——— carcinoma (arising from glandular acini).

A

ductal carcinoma (arising from ductal epithelium)

lobular

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3
Q

Both ductal and lobular carcinoma have ——- precursor stages, termed ————- in which the neoplasm has not penetrated the ——— and thus has not invaded or infiltrated the ————–.

A

noninvasive

ductal carcinoma in situ (DCIS) and lobular carcinoma in situ (LCIS),

basement membrane

connective tissue stroma

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4
Q

D. Portal hypertension

1. Increased pressure of portal blood flow can occur:

A

prehepatic (obstructive thrombi), intrahepatic (cirrhosis), and post hepatic (right sided heart failure).

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5
Q

D. Portal hypertension

  1. Consequences of portal hypertension:
A

1) ascites (excess fluid in peritoneal cavity-fluid is generally serous in nature), 2) esophageal varices, 3) splenomegaly, 4) hepatic encephalopathy, 5) hypogonadism.

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6
Q

E. Jaundice and cholestasis

  1. Excess bilirubin. 2.0 mg/dl
    • Unconjugated: ——–
    • Conjugated: ———-
A

Insoluble, toxic

Soluble, nontoxic

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7
Q
  1. Hepatitis A is a ————. ——— is transient-rarely screen donor blood for HAV.
A

benign, self-limiting disease

HAV viremia

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8
Q

Hep A

• ——— of transmission, seen with overcrowding/unsanitary conditions. Ingestion of contaminated water and food

A

Fecal-oral route

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9
Q

Hep A

• Incubation

A

2-6 weeks

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10
Q

Hep A

• NO ——- state. No —— disease

A

carrier

chronic

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11
Q
  1. Possible results of Hepatitis B infection:

a. ——- carrier state. Hepatitis B induced liver disease is an important precursor for —————.

A

asymptomatic

hepatocellular carcinoma

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12
Q

Hep B

• ——- virus

A

DNA

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13
Q

Hep B

• Incubation —–

A

4-26 weeks

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14
Q

Hep B

• ————— determines the ultimate outcome. Hepatocyte damage-likely reflects————— to Hepatitis B infected hepatocytes. Optimal outcome is to obtain viral clearance without a lot of collateral damage to liver tissues.

A

Host immune response

CD8+ cytotoxic T cell damage

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15
Q

Hep B

• Serology:

A

Remains in blood

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16
Q

Hep B

• Vaccine:

A

95 % protective Ab response

17
Q

Hep B

• Increased risk of

A

hepatocellular response

18
Q
  1. Hepatitis C is a major cause of liver disease worldwide. Unlike Hepatitis B, with Hepatitis C infection the progression to ———- occurs in the majority of patients and ——– develops in 20-30% of infected individuals. With Hepatitis C, note ————–
A

chronic disease

cirrhosis

persistent infection, chronic hepatitis.

19
Q
  1. Hepatitis C

• ———- virus

A

RNA

20
Q
  1. Hepatitis C

• Incubation ———-, acute phase is ———

A

7-8 weeks

asymptomatic

21
Q
  1. Hepatitis C

• No vaccine because of ————–

A

genomic instability

22
Q
  1. Hepatitis C

• ———– occurs in approximately 80-85%, and may develop 5 to 20 years later.

A

Cirrhosis

23
Q
  1. Hepatitis C
  • Risk factor for ————.
  • Most frequent viral infection associated with the need for ———–. Previously treated with ————.
A

hepatocellular carcinoma

liver transplantation

interferon and ribavirin

24
Q
  1. Hepatitis C

Treatment with ————— now considered curative.

A

protease and nucleoside inhibitors

25
Q
  1. Hepatitis C

o Combination drugs:

A

Harvoni (2014, sofosbuvir & ledipasvir). 12 week course, several others since 2014; often given with ribavirin

o Curative in most patients. Side effects fatigue and headache.
o Very expensive (Harvoni $95K, Mavyret [2017] 12 weeks $40K)

26
Q
  1. Hepatitis E (similar to A) is an ———- transmitted, ———– infection-high mortality rate in ———. Not associated with ————–.
A

enterically

water-borne

pregnant women

chronic liver disease

27
Q
  1. Hepatitis G (some similarity to C but is not hepatotropic) infection does not increase liver enzymes such as ————-. Replicates in ————
A

serum aminotransferases

bone marrow and spleen.

28
Q
  1. Autoimmune hepatitis is a
A

chronic, progressive, hepatitis variant with an unknown etiology.

29
Q

Autoimmune hepatitis

Pathology is associated with

A

T-cell mediated autoimmunity.