A 38-year-old man is suffering from acute myeloid leukemia. Initially, he suffered fevers and complained of being tired and sluggish all of the time. However, he has been experiencing more severe right-sided headaches recently. He reports the discomfort as throbbing and centered behind his right eye. He also complains of nasal stuffiness. The patient has no prior allergy history. Right-sided proptosis and periorbital discomfort are found on physical examination. A biopsy of the mucosa of the right maxillary sinus reveals the following: Which of the following is the most likely cause of this patient's condition?

Question

A 38-year-old man is suffering from acute myeloid leukemia. Initially, he suffered fevers and complained of being tired and sluggish all of the time. However, he has been experiencing more severe right-sided headaches recently. He reports the discomfort as throbbing and centered behind his right eye. He also complains of nasal stuffiness. The patient has no prior allergy history. Right-sided proptosis and periorbital discomfort are found on physical examination. A biopsy of the mucosa of the right maxillary sinus reveals the following:  Which of the following is the most likely cause of this patient's condition?

Quizplus · Accepted Answer

Eductional Objective: Mucormycosis is an infection caused by Rhizopus, Mucor, and Absidia species. In a diabetic or immunocompromised patient, the characteristic clinical presentation is paranasal sinus involvement. The fungus produce large nonseptate hyphae with right-angled branches.

A 38-Year-Old Man Is Suffering from Acute Myeloid Leukemia