Cryptococcus neoformans Presenting as a Lung Mass in an Immunocompromised Patient.

Siddique Qurashi, Tabinda Saleem, Iuliia Kovalenko, Konstantin Golubykh, Lauren Holleran
Author Information
  1. Siddique Qurashi: Department of Internal Medicine, University of Pittsburgh Medical Center (UPMC), Harrisburg, PA, USA.
  2. Tabinda Saleem: Department of Internal Medicine, University of Pittsburgh Medical Center (UPMC), Harrisburg, PA, USA.
  3. Iuliia Kovalenko: Department of Internal Medicine, University of Pittsburgh Medical Center (UPMC), Harrisburg, PA, USA.
  4. Konstantin Golubykh: Department of Internal Medicine, University of Pittsburgh Medical Center (UPMC), Harrisburg, PA, USA. ORCID
  5. Lauren Holleran: Department of Internal Medicine, Drexel University, Philadelphia, PA, USA.

Abstract

BACKGROUND Pulmonary cryptococcosis is an uncommon infection mainly affecting immunocompromised individuals. Presentation of cryptococcal disease ranges from asymptomatic pulmonary colonization to severe pneumonia. It can progress to acute respiratory failure and life-threatening meningoencephalitis. CASE REPORT A 55-year-old woman with a history of a kidney transplant, on immunosuppressive therapy, presented to the hospital with persistent low-grade fever, headache, weight loss, and fatigue for 2 weeks. On arrival, she was tachycardic, normotensive, and saturating 99% on room air. Her chest X-ray showed right middle lung opacity measuring 1.9��2.8 cm. She was admitted and started on broad-spectrum antibiotics for suspected pneumonia. Her chest computed tomography (CT) scan showed a 3.0��1.7 cm hypo-dense opacity at the right upper lobe. Overnight, she developed a severe headache and neck stiffness. Her serum cryptococcal antigen and cerebrospinal fluid culture results were positive. The patient was started on intravenous liposomal amphotericin B plus flucytosine. A CT-guided lung biopsy was performed to rule out malignancy. Cultures came back positive for Cryptococcus neoformans. She completed a 2-week course of amphotericin and flucytosine and was switched to oral fluconazole to complete an 8-week course. CONCLUSIONS Prompt diagnosis and effective management of the cryptococcal disease can decrease morbidity and mortality. Diagnosis requires CT-guided lung biopsy, with culture growing mucoid colonies of Cryptococcus neoformans. Antifungal therapy with intravenous liposomal amphotericin B plus flucytosine is the mainstay of treatment. Clinicians should be aware of the various presentations of pulmonary cryptococcosis, especially in immunocompromised patients.

References

  1. J Infect Dis. 2007 Mar 1;195(5):756-64 [PMID: 17262720]
  2. Clin Infect Dis. 1999 Mar;28(3):629-33 [PMID: 10194090]
  3. Clin Infect Dis. 2003 Mar 15;36(6):789-94 [PMID: 12627365]
  4. Emerg Infect Dis. 2001 May-Jun;7(3):375-81 [PMID: 11384512]
  5. Clin Infect Dis. 2010 Feb 1;50(3):291-322 [PMID: 20047480]
  6. J Infect Chemother. 2020 Feb;26(2):257-260 [PMID: 31345742]
  7. Lancet Infect Dis. 2007 Jun;7(6):395-401 [PMID: 17521592]
  8. Transplantation. 1994 Oct 15;58(7):855-6 [PMID: 7940723]
  9. Rev Iberoam Micol. 2002 Sep;19(3):186-9 [PMID: 12826001]
  10. Med Mycol Case Rep. 2021 May 04;32:84-87 [PMID: 34026474]
  11. Am J Hyg. 1955 Nov;62(3):227-32 [PMID: 13268414]
  12. Transpl Infect Dis. 2005 Mar;7(1):1-3 [PMID: 15984941]
  13. Am J Clin Pathol. 1955 Jan;25(1):14-24 [PMID: 14349908]
  14. Chest. 2001 Jun;119(6):1865-9 [PMID: 11399716]

MeSH Term

Amphotericin B
Anti-Bacterial Agents
Antifungal Agents
Cryptococcosis
Cryptococcus neoformans
Female
Fluconazole
Flucytosine
Headache
Humans
Immunocompromised Host
Lung
Middle Aged

Chemicals

Anti-Bacterial Agents
Antifungal Agents
liposomal amphotericin B
Amphotericin B
Fluconazole
Flucytosine

Word Cloud

Created with Highcharts 10.0.0cryptococcallungamphotericinflucytosineCryptococcusneoformanscryptococcosisimmunocompromiseddiseasepulmonaryseverepneumoniacantherapyheadachechestshowedrightopacitycmstartedculturepositiveintravenousliposomalBplusCT-guidedbiopsycourseBACKGROUNDPulmonaryuncommoninfectionmainlyaffectingindividualsPresentationrangesasymptomaticcolonizationprogressacuterespiratoryfailurelife-threateningmeningoencephalitisCASEREPORT55-year-oldwomanhistorykidneytransplantimmunosuppressivepresentedhospitalpersistentlow-gradefeverweightlossfatigue2weeksarrivaltachycardicnormotensivesaturating99%roomairX-raymiddlemeasuring19��28admittedbroad-spectrumantibioticssuspectedcomputedtomographyCTscan30��17hypo-denseupperlobeOvernightdevelopedneckstiffnessserumantigencerebrospinalfluidresultspatientperformedrulemalignancyCulturescamebackcompleted2-weekswitchedoralfluconazolecomplete8-weekCONCLUSIONSPromptdiagnosiseffectivemanagementdecreasemorbiditymortalityDiagnosisrequiresgrowingmucoidcoloniesAntifungalmainstaytreatmentCliniciansawarevariouspresentationsespeciallypatientsPresentingLungMassImmunocompromisedPatient

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