2019, Number 3
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Rev Mex Urol 2019; 79 (3)
Atypical metastases from a renal tumor
Hernández-Alcaraz D, Beneto-Alducin B, Morales-Jiménez P
Language: English
References: 10
Page: 1-14
PDF size: 936.80 Kb.
ABSTRACT
Background: The aim of the present work was to present three clinical
cases with uncommon presentations of metastatic kidney cancer.
Clinical cases: The first case was that of a woman that presented
with metastasis to the thyroid gland after thyroidectomy. The rest of
the extension studies were negative, and she did not require adjuvant
treatment. The second case was a woman that came to the emergency
department due to urinary retention secondary to urethral metastasis
from a kidney tumor, with no metastases at other levels. The third case
was a man that presented with recurrence of papillary renal cell carcinoma
in the bladder mucosa associated with lung metastases.
Discussion: Thirty-four percent of metastases to the thyroid gland have
a renal origin. The urethra is an uncommon site for metastasis. In general,
bladder metastases from renal carcinoma have a poor prognosis,
with only 56 cases described in the literature. The treatment of choice
for resectable lesions is surgical extirpation, and anti-angiogenic therapy
is reserved for nonresectable lesions.
Conclusions: The thyroid gland, bladder, and urethra are uncommon
sites of metastases from kidney cancer. They tend to indicate advanced
disease stages and treatment is surgical extirpation in cases of resectable
lesions.
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