Invasive splenic mucormycosis due to Rhizopus microsporus during chemotherapy for acute monocytic leukemia: a case report and literature review

Mucormycosis is a rare opportunistic fungal infection associated with high mortality that typically occurs in immunocompromised patients. It is difficult to diagnose owing to non-specific clinical manifestations, the serologic index, imaging features, and the limitations of diagnostic methods. The i...

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Main Authors: Xiru Peng, Zixiu Wei, Lijuan Wang, Juan Cheng
Format: Article
Language:English
Published: Frontiers Media S.A. 2023-09-01
Series:Frontiers in Oncology
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fonc.2023.1237807/full
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author Xiru Peng
Zixiu Wei
Lijuan Wang
Juan Cheng
Juan Cheng
author_facet Xiru Peng
Zixiu Wei
Lijuan Wang
Juan Cheng
Juan Cheng
author_sort Xiru Peng
collection DOAJ
description Mucormycosis is a rare opportunistic fungal infection associated with high mortality that typically occurs in immunocompromised patients. It is difficult to diagnose owing to non-specific clinical manifestations, the serologic index, imaging features, and the limitations of diagnostic methods. The incidence of invasive splenic mucormycosis is extremely rare, with only a few cases documented in the literature. We report a survival case of invasive splenic mucormycosis involving the liver caused by Rhizopus microsporus in a patient during consolidation therapy for acute monocytic leukemia (AML-M5). The patient initially presented with recurrent fever and splenomegaly accompanied by multiple focal hypodensities unresponsive to empiric anti-infective treatment. Splenic mucormycosis was diagnosed by Contrast-Enhanced Ultrasonography (CEUS) and metagenomic next-generation sequencing (mNGS). However, surgical intervention carries a high risk due to the progressive involvement of the liver in invasive splenic mucormycosis. Fortunately, monotherapy with amphotericin B was effective, and the patient underwent allo-HSCT. This case aims to emphasize the importance of utilizing mNGS and CEUS for the timely diagnosis of mucormycosis to help clinicians identify splenic mucormycosis and initiate appropriate therapy as soon as possible to improve therapeutic efficacy and prognosis.
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spelling doaj.art-11b33bde075240479fa45f3a9c0921bd2023-09-08T10:20:34ZengFrontiers Media S.A.Frontiers in Oncology2234-943X2023-09-011310.3389/fonc.2023.12378071237807Invasive splenic mucormycosis due to Rhizopus microsporus during chemotherapy for acute monocytic leukemia: a case report and literature reviewXiru Peng0Zixiu Wei1Lijuan Wang2Juan Cheng3Juan Cheng4The First Clinical Medical College of Lanzhou University, Lanzhou, Gansu, ChinaThe First Clinical Medical College of Lanzhou University, Lanzhou, Gansu, ChinaDepartment of Hematology, The First Hospital of Lanzhou University, Lanzhou, ChinaThe First Clinical Medical College of Lanzhou University, Lanzhou, Gansu, ChinaDepartment of Hematology, The First Hospital of Lanzhou University, Lanzhou, ChinaMucormycosis is a rare opportunistic fungal infection associated with high mortality that typically occurs in immunocompromised patients. It is difficult to diagnose owing to non-specific clinical manifestations, the serologic index, imaging features, and the limitations of diagnostic methods. The incidence of invasive splenic mucormycosis is extremely rare, with only a few cases documented in the literature. We report a survival case of invasive splenic mucormycosis involving the liver caused by Rhizopus microsporus in a patient during consolidation therapy for acute monocytic leukemia (AML-M5). The patient initially presented with recurrent fever and splenomegaly accompanied by multiple focal hypodensities unresponsive to empiric anti-infective treatment. Splenic mucormycosis was diagnosed by Contrast-Enhanced Ultrasonography (CEUS) and metagenomic next-generation sequencing (mNGS). However, surgical intervention carries a high risk due to the progressive involvement of the liver in invasive splenic mucormycosis. Fortunately, monotherapy with amphotericin B was effective, and the patient underwent allo-HSCT. This case aims to emphasize the importance of utilizing mNGS and CEUS for the timely diagnosis of mucormycosis to help clinicians identify splenic mucormycosis and initiate appropriate therapy as soon as possible to improve therapeutic efficacy and prognosis.https://www.frontiersin.org/articles/10.3389/fonc.2023.1237807/fullinvasive splenic mucormycosisRhizopus microsporusmetagenomic next-generation sequencingcontrast-enhanced ultrasonographyamphotericin B
spellingShingle Xiru Peng
Zixiu Wei
Lijuan Wang
Juan Cheng
Juan Cheng
Invasive splenic mucormycosis due to Rhizopus microsporus during chemotherapy for acute monocytic leukemia: a case report and literature review
Frontiers in Oncology
invasive splenic mucormycosis
Rhizopus microsporus
metagenomic next-generation sequencing
contrast-enhanced ultrasonography
amphotericin B
title Invasive splenic mucormycosis due to Rhizopus microsporus during chemotherapy for acute monocytic leukemia: a case report and literature review
title_full Invasive splenic mucormycosis due to Rhizopus microsporus during chemotherapy for acute monocytic leukemia: a case report and literature review
title_fullStr Invasive splenic mucormycosis due to Rhizopus microsporus during chemotherapy for acute monocytic leukemia: a case report and literature review
title_full_unstemmed Invasive splenic mucormycosis due to Rhizopus microsporus during chemotherapy for acute monocytic leukemia: a case report and literature review
title_short Invasive splenic mucormycosis due to Rhizopus microsporus during chemotherapy for acute monocytic leukemia: a case report and literature review
title_sort invasive splenic mucormycosis due to rhizopus microsporus during chemotherapy for acute monocytic leukemia a case report and literature review
topic invasive splenic mucormycosis
Rhizopus microsporus
metagenomic next-generation sequencing
contrast-enhanced ultrasonography
amphotericin B
url https://www.frontiersin.org/articles/10.3389/fonc.2023.1237807/full
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