[Acute promyelocytic leukemia recurrence diagnosed due to granulocytic sarcoma of the external auditory canal].
Acute promyelocytic leukemia
All-trans retinoic acid
External auditory canal
Granulocytic sarcoma
Journal
[Rinsho ketsueki] The Japanese journal of clinical hematology
ISSN: 0485-1439
Titre abrégé: Rinsho Ketsueki
Pays: Japan
ID NLM: 2984782R
Informations de publication
Date de publication:
2020
2020
Historique:
entrez:
10
12
2020
pubmed:
11
12
2020
medline:
3
2
2021
Statut:
ppublish
Résumé
A 47-year-old man was diagnosed with acute promyelocytic leukemia (APL) accompanied by pancytopenia and left forearm swelling. Complete remission was achieved with remission induction therapy using all-trans retinoic acid (ATRA), and consolidation therapy was completed. Three months after the treatment, left ear closure was observed, and a mass lesion was found in the left external auditory canal. An initial tumor biopsy only revealed inflammatory cell infiltration. Moreover, the tumor's rebiopsy performed 3 months later revealed MPO-positive and CD68-positive granulocyte infiltration. Furthermore, the rebiopsy revealed 4.9×10
Identifiants
pubmed: 33298651
doi: 10.11406/rinketsu.61.1590
doi:
Substances chimiques
Tretinoin
5688UTC01R
Arsenic Trioxide
S7V92P67HO
Types de publication
Case Reports
Journal Article
Langues
jpn
Sous-ensembles de citation
IM