Genitourinary Flashcards

1
Q

What was the MST in dogs recieving chemotherapy in combination with NSAID and solely NSAID for prostatic carcinoma?
What were the negative prognostic factors?
(Ravicini, VCO, 2018)

A

With chemo+NSAID ca. 3,5 M vs. ca. 2 M NSAID
Although a subgroup lived 7months to 2 years
Metastatic disease (although probably slow progression in the lungs and may not effect outcome) + intact animals had poorer survival

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2
Q

What were the acute and late toxicities in dogs treated with IMRT for prostatic carcinoma?
Which dogs did better?
(Walz, VCO, 2019)

A

Acute 1-2 grade diarrhea, late urethral and ureteral stricture, hindlimb oedema
MST was 1,5 years, however dogs without clinical symptoms (incidental finding) lived much longer than dogs with symptoms, 580 vs 220 days

event-free survival was shorter for dogs with metastatic disease (ln) than without 109 vs 399 days
EFS was longer with MTD chemo 241 vs 25 days

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3
Q

The interpretation of cytological samples is dependent on which factors?
How is the collection method affecting sensitivity and specifity?
Which had highest and lowest performances?
(McAloney, VCO, 2021)

A

It is dependent on the screening and review protocols from institutions.
The sensitivity and specificity of cytology varies depending on the collection methods

Best diagnostic catheterization !, worst cytology of urine sediment without catheterization
FNA moderate

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4
Q

What are the ultrasonographic features of prostatic lymphoma?
(Di Donato, VRU, 2019)

A

More hypoechoic lesions, altered shape, lack of mineralisation and multiorgan involvement
(more often high-grade and T cell)

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5
Q

In a recent case report where did prostatic adenocarcinoma metastasize?
(Di maria, Vet Pathol, 2020)

A

in the skin and subcutis (not FNA or postsurgical seeding)

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6
Q

What is p63?

A

Basal cell marker in the normal prostate, belongs to p53 familiy
(overexpression-upregulation of cellular adhesion, circulation tumor cell clusters and survival)

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7
Q

In a recent paper describing feline TCC with what therapy was the outcome better?
Which was the most common location in cat for TCC?
(Griffin, JAVMA, 2019)

A

Partial cystotomy and the administration of NSAID
(trigonal location had the most adverse effects, the recurrence rate was 61%)

Trigonal (but only less then 1/3)

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8
Q

What was the MST for cats without treatment and with or without partial cystectomy?

What was the metastatic rate?

(Griffin, JVIM, 2019)

A

MST for the whole group 5 months
1,5 months untreated
6 months without partial cystectomy
10 months with partial cystectomy

ureteral obstruction in 11%, urethral involvement in 11%, both 5% (consider stenting as an option)

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9
Q

What was the most common late toxicity in a recent paper involving RT for genitourinary tumors?
How did the EFS and MST compare with previous studies?
Which factors were associated with favourable prognosis?
(Clerc-Renaud, JVIM, 2021)

A

permanent urinary incontinence

It was simliar EFS 260, MST 510 days

mild clinical signs and lack of prostate involvement

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10
Q

According to a recent ultrasonographic study conscerning cats with bladder TCC which were to most common differences when comparing it to dogs?
(Hamlin, VRU, 2019)

A

Location: mid body

Less invasion into the urethra

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11
Q

A study involving whole body CT and TCC in dogs, which location had a poorer outcome and higher metastatic potential?
Which factors were significantly associated with survival?
(Iwasaki,VCO, 2019)

A

Urethral tumors had a poorer prognosis, 4 months vs. 14 months and a higher metastatic rate to bone and lungs

sternal lymphadenomegaly, bone metastatsis, TCC localization

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12
Q

What were the outcomes in a study with balloon dilatation for urethral obstruction caused by TCC?
In which dogs would it be more likely recommended?
(Kim, JAVMA, 2019)

A

9/12 had improvment of clinical sings
the recurrence of obstruction was noted 1,5-10 months after the procedure (some dogs had up to 3 interventions)
It would be mostly recommended in dogs with intraluminal obstruction

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13
Q

Is it possible to use flow cytometry and PARR on urine samples?
(Witschen, Vet Pathol, 2019)

A

Yes, a canine T cell lymphoma as recently described

appropriate amount of cells are needed (30-50 000/µl)

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14
Q

Is palladia useful in the treatment of canine TCC?

Gustafson, JAAHA, 2019

A

MST was 5 months, 6% PR and 80% SD

56% developed azotemia

probably should be considered as a rescue option

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15
Q

What is CCL2 and what it is its potential in dogs with urothelial tumors?
(Schimizu, VCO, 2018)

A

CCL2- is a chemotactic cytokine recruiting macrophages, releasing growth factors and promoting adhesion to endothelial cells, it is been implicated in tumorigenisis in people

CCL2 is not appropriate solely as a diagnostic marker, 95 %sensitivity, but low 38% specificity (in inflammatory disease also elevated)

In metastatic disease, significantly decreased, perhapse it should be used as a staging marker sens. 85%, spec. 57% –> further studies needed

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16
Q

Which chemokine was elevated in the urine of dogs with urothelial carcinoma experssing BRAF mutation and with was it associated?
(Meada, Vet Pathol, 2021)

A
CCL17 (it is involved in Treg recruitment)
T regs (they have the CCR4 respector for which is CCL17 a ligand), which were associated with poor prognosis-->however, BRAF mutation itself was not associated with poorer prognosis (might be other activating pathways EGFR, HER2, PDGF)

In the urine it had a 50% sensitivity and 87% spec (the combination with CCL2 high sens., low spec might be a better biomarker)

17
Q

In a recent retrsopective study which 3 types were the most common ovarian tumors?
Which tumor had the best prognosis?
(Goto, VCO, 2020)

A

Dysgerminoma, Adenocarcinoma, Granulosa Cell Tumor

Dogs with granulosa cell tumor had the best prognosis 1474 days (> 4years) vs 458 days (15 months) for adenocarcinoma and dysgerminoma

18
Q

In the paper concerning canine ovarian tumors, which factors condributed to poorer outcome?
What is the overall prognosis for ovarian tumors?
What is the role of adjuvant therapy after surgical excision? Would you recommend it?
(Goto, VCO, 2020)

A

T stage (>T3 (invasion in the bursa) vs 1 year
metastasis 13m vs 4 yeras
lymphovascular invasion 15m vs. 4 years

MST for all tumors 3 years- prognosis is good

Half of the dogs lived >1 years despite metastatic disease

Aggressive therapy could be recommended to maximase survival even in advanced stage (T3 stage, mets, lymphovascular invasion, adenocarcinoma, dysgerminoma–NO mets with granulosa cell tumor)