Urinary Tract Review

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  • 8/10/2019 Urinary Tract Review

    1/12

    2013 URINARY

    TRACT

    SUMMER

    REVIEW

    Barbara

    D.

    Bosch,

    M.D.

    References

    for

    USMLE

    Step 1-format questions (with

    modifications):

    Cataiano

    E.

    Appleton

    &

    Lanqe

    Review of General

    Pathology,

    4th

    ed. M cG raw

    Hill

    Medical, 2003.

    Fenderson

    BA , Strayer

    DS , Rubin

    R,

    Rubin E. I llustrated

    Q&A

    Review

    of

    Rubin's

    Pathology,

    2n d

    ed .

    Lippincott Williams

    &

    Wilkins,

    20 1

    1

    .

    Goldberg

    J.

    Lanqe

    Practice

    Tests USMLE

    Step

    1,

    2n d ed .

    McGraw Hill

    Medical,

    2006.

    Kettering JD ,

    Fletcher

    HM .

    PreTest

    Microbiology,

    12th ed . McGraw

    Hill

    Medical,

    2007.

    King MW.

    Lanoe

    Q&A

    USMLE

    Step

    1.

    6th ed . McGraw

    Hill

    Medical, 2008.

    Klatt EC, Kumar V.

    Robbins

    and Cotran Review

    of

    Pathology,

    3rd

    ed.

    Saunders

    Elsevier,

    2010.

    Klein

    RM, Enders

    GC. PreTest

    Anatomy.

    Histology

    &

    Cell

    Biology,

    3rd

    ed.

    McGraw

    Hill

    Medical,

    2007.

    Le

    T,

    Klein J, Shivaram

    A.

    First Aid

    Q&A

    for

    the USMLE

    Step

    1.

    McGraw

    Hill

    Medical, 2007.

    Le

    T,

    Krause K,

    Klein

    J, Shivaram A. First

    Aid

    Cases for the

    USMLE

    Step

    1. McGraw Hil l

    Medical,

    2006.

    Mufson

    M. PreTest

    Pathophysiology,

    3rd ed. M cG raw

    Hill

    Medical, 2005.

    PreTest

    Clinical

    Vignettes

    for the USMLE

    Step

    1.

    4th

    ed . McGraw

    Hill Medical,

    2008.

  • 8/10/2019 Urinary Tract Review

    2/12

    2013 Urinary

    Tract

    Summer

    Review;

    Barbara

    D. Bosch, M.D.

    page

    2

    A

    59 year-old

    man

    complains of

    periorbital

    edema and ankle

    swelling

    which have gradually been

    getting

    worse

    over

    the past few

    months.

    His

    blood

    pressure

    is 120/80 mm

    Hg.

    Urinalysis

    shows

    4+

    proteinuria,

    but

    no

    cells

    or casts. Serum albumin is moderately decreased, but blood

    urea

    nitrogen

    (BUN)

    and creatinine

    are

    normal.

    Which

    of the following is the

    most

    likely diagnosis?

    A.

    acute

    proliferative

    glomerulonephritis

    B.

    diabetic

    nephropathy

    C.

    IgA

    nephropathy

    D. lupus nephritis

    E. membranous

    glomerulopathy

    F. m inim al change

    disease

    A

    52

    year-old

    woman who suffers

    from diabetes melli tus

    and

    frequent

    urinary

    tract

    infections presents

    with

    a

    3-day

    history

    of

    flank

    pain,

    undulating

    fever an d

    general

    malaise.

    A

    CBC

    shows

    neutrophilic

    leukocytosis

    (16,000/mL).

    Urine cultures

    reveal

    more than 100,000 bacterial colonies,

    composed

    predominantly

    of

    gram-negative rods. B lood

    pressure

    is 170/100 mm Hg, BUN

    is

    30

    mg/dl_

    (normal

    7-18

    mg/dL)

    and creatinine

    is

    2.0

    mg/dL

    (normal

    0.6-1.2

    mg/dL). Fasting

    serum glucose

    is

    19 0

    mg/dL

    (normal 70-1

    10

    mg/dL).

    Urinalysis shows

    2+

    sugar an d

    1+ protein.

    Microscopic

    examination

    of

    the

    urine

    sediment reveals

    neutrophils an d

    occasional

    WBC

    casts.

    Which of the following is the best

    diagnosis?

    A.

    acute

    pyelonephritis

    B.

    acute tubular necrosis

    C. diabetic glomerulonephropathy

    D. nephrolithiasis

    E. postinfectious

    glomerulonephritis

    A 7 year-old boy

    is

    recovering

    from

    impetigo.

    Physical

    exam

    shows

    a

    few

    honey-colored

    crusts

    on

    his

    face.

    A

    culture

    of these

    crusts

    grows

    group

    A Streptococcus

    pyogenes.

    One

    week

    later,

    he

    develops

    malaise

    with

    nausea

    and a slight

    fever

    and passes

    dark

    brown

    urine.

    Laboratory

    studies show

    a

    serum

    antistreptolysin

    O

    titer of

    1:1024. Which

    of

    the following

    is the

    most likely

    outcome?

    A.

    chronic renal

    failure

    B. complete recovery without treatment

    C.

    development of

    rheumatic

    heart disease

    D.

    lower

    urinary

    tract

    infection

    E. progression

    to

    crescentic glomerulonephritis

    A

    72

    year-old

    woman is hospitalized

    after

    becoming

    acutely

    ill.

    Despite

    intervention,

    she dies 9

    days

    later.

    One

    of

    the

    findings

    at her autopsy is shown

    in

    the

    accompanying photomicrograph.

    Which

    of the

    following

    condit ions could have

    led to the changes

    seen

    in this

    patient's

    kidney

    and was most

    likely

    the

    reason for

    her

    hospitalization?

    A.

    myocardial infarction

    B.

    pyelonephritis

    C.

    renal cell

    carcinoma

    D.

    sepsis

    E.

    shock

    The

    mother

    of a

    1

    year-old bo y

    palpates

    a

    mass

    on the

    right side

    of the infant's

    abdomen.

    Microscopically,

    the

    lesion is

    composed of

    blastemal, stromal and

    epithelial

    tissues.

    Which of

    the

    following

    is

    the

    most

    likely diagnosis?

    A. angiomyolipoma

    B. neuroblastoma

    C.

    renal cell carcinoma

    D. urothelial

    cell

    carcinoma

    E.

    Wilms

    tumor

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    3/12

    2013

    Urinary

    Tract Summer Review;

    Barbara

    D.

    Bosch,

    M.D.

    page

    3

    A

    25

    year-old man

    complains

    of

    intermittent

    hematuria over

    the

    past 8

    years.

    Urinalysis

    shows microscopic

    hematuria.

    Urine

    cultures

    are

    negative.

    A

    renal biopsy (shown

    in

    the

    image)

    displays mesangial

    proliferation

    within some glomeruli,

    whereas others

    appear

    normal. Immunofluorescence

    staining

    discloses

    mesangial

    deposition

    of IgA . Which

    of the

    following

    is

    the

    appropriate

    pathologic

    diagnosis?

    A.

    amyloid

    nephropathy

    B. crescentic

    glomerulonephritis

    C.

    focal

    proliferative

    glomerulonephritis

    D.

    Kimmelstiel-Wilson disease

    E.

    membranous

    glomerulonephropathy

    A

    63

    year-old

    man

    has noted

    increasing

    back

    pain

    for

    7

    months. He

    has

    had three

    respiratory

    tract

    infections

    with

    Streptococcus

    pneumoniae within the

    past year.

    On

    exam,

    he

    has

    pitting edema to

    his

    thighs.

    Lab studies show an elevated

    total

    serum

    protein with a normal

    albumin level; creatinine,

    3.1

    mg/dL (normal

    0.6-1

    .2

    mg/dL); an d

    glucose,

    79

    mg/dL (normal

    70-110

    mg/dL).

    Urinalysis

    shows

    proteinuria

    of

    4

    g/24

    hr,

    bu t no

    glucosuria

    or

    hematuria.

    Abdominal CT scan shows

    enlarged

    kidneys

    without

    cysts

    or

    masses.

    A renal

    biopsy

    specimen

    shows

    deposits

    of

    amorphous

    pink

    material

    within

    the

    glomeruli,

    interstitium

    and

    arteries

    with an

    H&E

    stain. Which of

    the

    following

    diseases

    is most

    likely?

    A.

    analgesic nephropathy

    B.

    diabetes

    mellitus

    C. membranous glomerulonephropathy

    D.

    multiple

    myeloma

    E.

    Wegener

    granulomatosis

    A

    25

    year-old

    man presents to his doctor

    with

    a 2-day

    history

    of hemoptysis

    and

    blood

    in

    his

    urine.

    A

    kidney

    biopsy

    is

    obtained.

    When

    the

    tissue is stained

    with fluorescent

    anti-IgG,

    the

    staining

    reveals a

    linear

    pattern.

    Which

    of the

    following is

    the most

    likely

    diagnosis?

    A.

    acute

    poststreptococcal

    glomerulonephritis

    B.

    Alport

    syndrome

    C.

    Goodpasture syndrome

    D. IgA nephropathy

    E. membranous

    glomerulonephritis

    A

    46

    year-old

    woman

    presents

    with a 6-month

    history

    of

    vague

    upper

    abdominal

    pain after fatty

    meals,

    some

    abdominal

    distention

    and

    frequent

    indigestion.

    Physical

    examination

    shows

    an

    obese

    woman (BMI

    =

    32

    kg/m2)

    with

    right upper quadrant tenderness.

    A

    CT scan discloses gallstones

    an d

    an

    ectopic

    kidney.

    Which of the

    following

    is

    the

    most common

    location

    of

    an

    ectopic

    kidney?

    A.

    adjacent

    to

    the

    gallbladder

    B.

    attached to

    the

    left

    adrenal

    gland

    C.

    fused

    laterally

    with

    the

    contralateral

    kidney

    D. pelvis

    E.

    posterior

    epigastrium

    A

    65

    year-old

    man presents

    with

    a

    recent

    episode of

    painless

    hematuria. Vital signs

    are

    normal.

    All

    blood

    tests and

    urinalysis

    are

    normal,

    except for

    the

    presence

    of erythrocytes

    in

    the urine.

    The

    patient

    smokes cigarettes but does not drink

    alcoholic beverages.

    Which of the

    following

    is

    the most

    likely

    cause of

    hematuria

    in this

    patient?

    A.

    acute

    cystitis

    B.

    acute pyelonephritis

    C. bladder calculi

    D.

    carcinoma of

    the bladder

    E.

    prostatic carcinoma

  • 8/10/2019 Urinary Tract Review

    4/12

    2013

    Urinary Tract

    Summer

    Review; Barbara

    D.

    Bosch, M.D.

    page

    4

    v

    A

    30 year-old

    man with a

    history

    of drug addiction

    presents

    with

    a

    6-month

    history

    of

    progressive swelling

    in

    his ankles

    and

    abdomen. Urinalysis shows

    heavy

    proteinuria

    (>

    4

    g

    per 24 hours),

    bu t no evidence of

    inflammatory

    cells

    or

    iicavy

    pi

    ulcii

    luiid

    t

    y per

    nuuioy,

    uui

    uw

    cviuciioc

    ui

    ii incuiin ictiui

    y

    ucno

    ui

    ,t?