Rhino-Orbito-Cerebral Mucormycosis as a Cause of Orbital Apex Syndrome in an Immunocompetent Patient: A Case Report

Authors

  • Kevin Silvera-Cruz Universidad Simón Bolívar, Colombia
  • Angela Villarreal-Delgado Universidad Simón Bolívar, Colombia
  • Ana-Karina Carbonell-Zabaleta Universidad Simón Bolívar, Colombia
  • Diego Rivera-Porras Universidad de la Costa, Colombia
  • Valmore Bermúdez Universidad Simón Bolívar, Colombia
  • José Vargas-Manotas Universidad Simón Bolívar, Colombia

DOI:

https://doi.org/10.14482/sun.42.02.824.295

Keywords:

Mucormycosis, Rhino-orbital-cerebral, Orbital Apex Syndrome, Ophthalmoplegia, Fungal Infection, Immunocompetent Host

Abstract

Background: Rhino-orbito-cerebral mucormycosis (ROCM) is a rare, an-gio-invasive fungal infection
associated with high morbidity and mortality, even with early therapeutic intervention. Although
it typically occurs in immunocompromised individuals, its presentation in immunocompetent
hosts is exceedingly rare and presents a significant diagnostic challenge.
Objective: To present an unusual case of ROCM manifesting as orbital apex syn-drome (OAS) in an
immunocompetent patient, noting a partial treatment response and a favorable quality-of-life outcome,
while highlighting the importance of early recognition and multidisciplinary management.
Case report: A 57-year-old male with an unremarkable past medical history pre-sented to the emergency
department with a 30-day history of moderate, pulsatile, right-sided hemicranial headache,
exacerbated by positional changes. The pain progressed and was accompanied by ipsilateral ocular
pain, diplopia, ptosis, and decreased visual acuity, prompting multiple emergency department visits.
Neuro-logical examination revealed a non-reactive right pupil, ptosis, and complete palsy of
the right third (III), fourth (IV), and sixth (VI) cranial nerves. Neuroimaging showed inflammation
and mass effect at the right orbital apex.
Treatment and outcome: Based on high clinical and radiological suspicion, em-pirical systemic
antifungal therapy was initiated prior to histopathological confirma-tion. Subsequent surgical exploration
and biopsy definitively confirmed mu-cormycosis. This aggressive management led to
partial resolution of symptoms and improved quality of life, although residual ophthalmoplegia and
vision loss persisted as sequelae.
Conclusions: This case demonstrates that ROCM can manifest as orbital apex syndrome even in
immunocompetent hosts. The favorable outcome, despite a sig-nificant delay in definitive diagnosis,
underscores the fact a high index of clinical suspicion and the prompt initiation of empirical,
multidisciplinary therapy are critical for survival in this life-threatening infection.

Author Biographies

  • Kevin Silvera-Cruz , Universidad Simón Bolívar, Colombia

    General Practitioner. Universidad Simón Bolívar, Facultad de Ciencias de la Salud,
    Barranquilla (Colombia). kevin.silvera@unisimon.edu.co. https://orcid.org/0000-0003-1157-7836

  • Angela Villarreal-Delgado, Universidad Simón Bolívar, Colombia

    General Practitioner. Universidad Simón Bolívar, Facultad de Ciencias de la Salud,
    Barranquilla (Colombia). angela.villarreal1@unisimon.edu.co. https://orcid.org/0000-0003-3592-5524

  • Ana-Karina Carbonell-Zabaleta, Universidad Simón Bolívar, Colombia

    Medical Student. Universidad Simón Bolívar, Facultad de Ciencias de la Salud,
    Barranquilla (Colombia). ana.carbonell@unisimon.edu.co. https://orcid.org/0009-0001-3690-9721

  • Diego Rivera-Porras, Universidad de la Costa, Colombia

    Psychologist. Specialist in Applied Statistics. Specialist in Occupational Risk
    Management, Safety, and Health at Work. Master in Human Resources
    Management. PhD in Psychology. Universidad de la Costa, Barranquilla
    (Colombia). drivera23@cuc.edu.co. https://orcid.org/0000-0003-2169-3208

  • Valmore Bermúdez, Universidad Simón Bolívar, Colombia

    Medical Doctor. MSc in Epidemiology. MSc in Human Metabolism. Diploma of
    Advanced Studies in Nutrition and Metabolism. MSc in Endocrinology. PhD in
    Medical Sciences. PhD in Nutrition and Metabolism. Universidad Simón Bolívar, Facultad de Ciencias de la Salud, Barranquilla (Colombia). valmore.bermudez@unisimon.edu.co. https://orcid.org/0000-0003-1880-8887

  • José Vargas-Manotas, Universidad Simón Bolívar, Colombia

    Medical Doctor. Clinical Neurologist. Specialist in Project Design and Evaluation.
    Master in Neuroimmunology. Universidad Simón Bolívar, Facultad de Ciencias
    de la Salud, Barranquilla (Colombia). jose.vargas@unisimon.edu.co.
    https://orcid.org/0000-0002-0025-0259

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Published

2026-07-09

Issue

Section

CLINICAL CASE REPORTS

How to Cite

Rhino-Orbito-Cerebral Mucormycosis as a Cause of Orbital Apex Syndrome in an Immunocompetent Patient: A Case Report. (2026). SCIENTIFIC JOURNAL SALUD UNINORTE, 42(2), 601-618. https://doi.org/10.14482/sun.42.02.824.295

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