Identifying malignant mesothelioma by a pathological survey using the São Paulo state hospital cancer registry, Brazil.
J Bras Pneumol
; 50(2): e20230343, 2024.
Article
in En
| MEDLINE
| ID: mdl-38747814
ABSTRACT
OBJECTIVE:
To review the pathological diagnosis of possible cases and/or hidden cases of malignant mesothelioma (MM) between 2000 and 2012 using the Hospital-Based Cancer Registry database in the state of São Paulo, Brazil.METHODS:
Possible cases were retrieved by assessing the database. Inclusion criteria were being older than 30 years of age and having ICD-O-3 topography and morphology codes related to MM. A board of expert pathologists reviewed the pathology reports and requested paraffin blocks in cases that demanded revision. After staining with calretinin, D2-40, WT-1 (as positive MM markers) and Ber-EP4 and MOC31 (as negative MM markers), cases were divided and studied independently by a pair of pathologists to confirm or discard the diagnosis of MM.RESULTS:
Our sample comprised 482 cases from 25 hospitals, and 130 needed further histological revision. We received 73 paraffin blocks with adequate material. After board analysis, there were 9 cases with a definitive diagnosis of MM, improving the diagnostic rate in 12%. Two cases of previously diagnosed MM were discarded by review.CONCLUSIONS:
Our results confirm that part of MM underdiagnosis and underreporting in Brazil is due to incomplete or mistaken pathological diagnosis.
Full text:
1
Collection:
01-internacional
Database:
MEDLINE
Main subject:
Registries
/
Mesothelioma, Malignant
/
Lung Neoplasms
/
Mesothelioma
Limits:
Adult
/
Aged
/
Aged80
/
Female
/
Humans
/
Male
/
Middle aged
Country/Region as subject:
America do sul
/
Brasil
Language:
En
Journal:
J Bras Pneumol
/
J. bras. pneumol
/
Jornal brasileiro de pneumologia (Impresso)
Year:
2024
Document type:
Article
Country of publication:
Brasil