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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Arch+Pathol+Lab+Med
2015 ; 139
(10
): 1281-7
Nephropedia Template TP
gab.com Text
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English Wikipedia
The World Health Organization Classification of Skeletal Muscle Tumors in
Pediatric Rhabdomyosarcoma: A Report From the Children s Oncology Group
#MMPMID25989287
Rudzinski ER
; Anderson JR
; Hawkins DS
; Skapek SX
; Parham DM
; Teot LA
Arch Pathol Lab Med
2015[Oct]; 139
(10
): 1281-7
PMID25989287
show ga
CONTEXT: The World Health Organization Classification Since 1995, the
International Classification of Rhabdomyosarcoma has provided prognostically
relevant classification for rhabdomyosarcoma (RMS) and allowed risk
stratification for children with RMS. The International Classification of
Rhabdomyosarcoma includes botryoid and spindle cell RMS as superior-risk groups,
embryonal RMS as an intermediate-risk group, and alveolar RMS as an
unfavorable-risk group. The 2013 World Health Organization (WHO) classification
of skeletal muscle tumors modified the histologic classification of RMS to
include sclerosing RMS as a type of spindle cell RMS separate from embryonal RMS.
The current WHO classification includes embryonal, alveolar, spindle
cell/sclerosing, and pleomorphic subtypes of RMS and does not separate the
botryoid subtype. OBJECTIVE: To determine if the WHO classification applies to
pediatric RMS. DESIGN: To accomplish this goal, we reviewed 9 consecutive
Children's Oncology Group clinical trials to compare the WHO and International
Classification of Rhabdomyosarcoma classifications with outcome and site of
disease. RESULTS: Except for a subset of low-risk RMS, the outcome for botryoid
was not significantly different from typical embryonal RMS when analyzed by
primary site. Similarly, pediatric spindle cell and sclerosing patterns of RMS
did not appear significantly different from typical embryonal RMS, with one
exception: spindle cell RMS in the parameningeal region had an inferior outcome
with 28% event-free survival. CONCLUSION: Our data support use of the WHO RMS
classification in the pediatric population, with the caveat that histologic
diagnosis does not necessarily confer the same prognostic information in children
as in adults.
|Child
[MESH]
|Clinical Trials as Topic/statistics & numerical data
[MESH]