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Green KK, Barham HP, Allen GC, Chan KH. Prognostic Factors in the Outcome of Invasive Fungal Sinusitis in a Pediatric Population. Pediatr Infect Dis J 2016; 35:384-6. [PMID: 26673979 DOI: 10.1097/inf.0000000000001015] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Pediatric invasive fungal sinusitis (IFS) is rare, and its prognosticators are poorly understood. The aim of this study was to determine important factors affecting outcome. METHODS A 10-year retrospective review at a tertiary academic children's hospital was performed using an International Classification of Diseases, 9th revision, and a procedure-based search after institutional review board approval. All relevant demographic and clinical information was collected. RESULTS Fourteen immune-compromised patients (male:female = 7:7, mean age = 10 years, range 2-16 years) were identified who had hematologic malignancies (11), diabetes mellitus (2) and unknown predisposing factors (1). Fungal species included Aspergillus (5), Mucor (5), Alternaria (2), Rhizopus (1) and Scopulariopsis (1). The cohort underwent an average of 6.1 (median = 5) endoscopic sinus surgeries and were treated with aggressive antifungal therapy. Four deaths occurred in the study population: 2 were attributable to IFS and 2 attributable to their underlying malignancies. There was a significant difference in the median absolute neutrophil count (ANC) at follow-up after treatment of IFS between the survival and the mortality subgroups, with ANC being 4290.5 and 169, respectively (P < 0.001). CONCLUSIONS Despite the small sample size, this study represents the largest case series in the medical literature on pediatric IFS. Age, gender, underlying cause for immunodeficiency and mycologic agent were not important prognosticators. ANC appears to be the only factor responsible for survival. The role of endoscopic sinus surgeries in survival is indeterminate.
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Affiliation(s)
- Katherine K Green
- From the Department of Otolaryngology, University of Colorado School of Medicine and Children's Hospital Colorado, Aurora, Colorado
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Vaezi A, Moazeni M, Rahimi MT, de Hoog S, Badali H. Mucormycosis in Iran: a systematic review. Mycoses 2016; 59:402-15. [PMID: 26906121 DOI: 10.1111/myc.12474] [Citation(s) in RCA: 61] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2015] [Revised: 12/06/2015] [Accepted: 01/04/2016] [Indexed: 12/27/2022]
Abstract
Fungi in the order Mucorales cause acute, invasive and frequently fatal infections in susceptible patients. This study aimed to perform a systematic review of all reported mucormycosis cases during the last 25 years in Iran. After a comprehensive literature search, we identified 98 cases in Iran from 1990-2015. The mean patient age was 39.8 ± 19.2 years. Diabetes was the most common underlying condition (47.9%), and 22.4% of the patients underwent solid organ or bone marrow transplantation. The most common clinical forms of mucormycosis were rhinocerebral (48.9%), pulmonary (9.2%) and cutaneous (9.2%). Eight cases of disseminated disease were identified. Overall mortality in the identified cases was 40.8%, with the highest mortality rate in patients diagnosed with disseminated infection (75%). The mortality rate in rhinocerebral infection patients was significantly lower (45.8%). Rhinocerebral infection was the most common clinical manifestation in diabetes patients (72.9%). Patients were diagnosed using various methods including histopathology (85.7%), microscopy (12.3%) and culture (2.0%). Rhizopus species were the most prevalent (51.7%), followed by Mucor species (17.2%). Sixty-nine patients were treated with a combination of surgery and antifungal therapy (resulting survival rate, 66.7%). Owing to the high mortality rate of advanced mucormycosis, early diagnosis and treatment may significantly improve survival rates. Therefore, increased monitoring and awareness of this life-threatening disease is critical.
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Affiliation(s)
- Afsane Vaezi
- Student Research Committee, Mazandaran University of Medical Sciences, Sari, Iran
| | - Maryam Moazeni
- Department of Medical Mycology and Parasitology/Invasive Fungi Research Center (IFRC), School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Mohammad Taghi Rahimi
- Toxoplasmosis Research Center, Mazandaran University of Medical Sciences, Sari, Iran
| | - Sybren de Hoog
- CBS-KNAW Fungal Biodiversity Centre, Utrecht, the Netherlands
| | - Hamid Badali
- Department of Medical Mycology and Parasitology/Invasive Fungi Research Center (IFRC), School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran.,Molecular and Cell Biology Research Center (MCBRC), Mazandaran University of Medical Sciences, Sari, Iran
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Ma J, Jia R, Li J, Liu Y, Li Y, Lin P, Zhang M, Li M. Retrospective Clinical Study of Eighty-One Cases of Intracranial Mucormycosis. J Glob Infect Dis 2016; 7:143-50. [PMID: 26752868 PMCID: PMC4693305 DOI: 10.4103/0974-777x.170497] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
Background: Fungal infections of the central nervous system, especially cerebral mucormycosis or brain abscess are very rare.Cerebral mucormycosis is a rare disease. It is not an independent disease, but a secondary opportunistic infectious disease. Materials and methods: This study has collected the data of 81 cases of intracranial mucormycosis from 28 Chinese hospitals, within 37 years, as well as reviewed the literatures and retrospectively analyzed and summarized this disease's background, clinical classifications, risk factors, pathology, clinical manifestations, diagnosis, treatment, and prognosis. Results: The 81 IM cases were aged between 15 days (the youngest) and 79 years (oldest), with a mean age of 41.6 years. Among them, 12 cases were <1 year old (the infant group), six cases were within one to 13 years old (the children group), and 63 cases were >14 years old (the adult group ). 45 cases were male and 36 were female, with a male/female ratio of 1.25:1.0. The shortest duration of the disease was three days, and the longest was 248 days. Conclusions: This study helped to realize an early diagnosis and treatment, improve the cure rate, and reduce mortality.
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Affiliation(s)
- Jinjian Ma
- Department of Neurosurgery, First Central Hospital, No 24 Fukang Road, Nankai, Tianjin, China
| | - Ruichao Jia
- Department of Neurosurgery, First Central Hospital, No 24 Fukang Road, Nankai, Tianjin, China
| | - Jin Li
- Department of Neurosurgery, First Central Hospital, No 24 Fukang Road, Nankai, Tianjin, China
| | - Yunyang Liu
- Department of Neurosurgery, First Central Hospital, No 24 Fukang Road, Nankai, Tianjin, China
| | - Yuming Li
- Department of Hematology, First Central Hospital, No 24 Fukang Road, Nankai, Tianjin, China
| | - Peng Lin
- Department of Otolaryngology-Head and Neck Surgery, First Central Hospital, No 24 Fukang Road, Nankai, Tianjin, China
| | - Mingmu Zhang
- Department of Pathology, First Central Hospital, No 24 Fukang Road, Nankai, Tianjin, China
| | - Mu Li
- Department of Neurosurgery, First Central Hospital, No 24 Fukang Road, Nankai, Tianjin, China
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Kim D, Kim JW, Ahn SJ, Hong SL. Chronic Invasive Sinonasal Mucormycosis; A Rare Disease Entity. JOURNAL OF RHINOLOGY 2016. [DOI: 10.18787/jr.2016.23.2.119] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
Affiliation(s)
- Dongwon Kim
- Department of Otorhinolaryngology-Head and Neck Surgery, Pusan National University Hospital, Busan, Korea
| | - Jae-wook Kim
- Department of Otorhinolaryngology-Head and Neck Surgery, Pusan National University Hospital, Busan, Korea
| | - Sang-Jung Ahn
- Department of Pathology, Pusan National University Hospital, Busan, Korea
| | - Sung-Lyong Hong
- Department of Otorhinolaryngology-Head and Neck Surgery, Pusan National University Hospital, Busan, Korea
- Biomedical Research Institute, Pusan National University Hospital, Busan, Korea
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Abstract
PURPOSE OF REVIEW This study focuses on the epidemiology and management of mucormycosis in hematopoietic stem cell transplant patients, a life-threatening mold infection whose incidence has increased over the past decades. RECENT FINDINGS Mucormycosis may occur in hematopoietic stem cell transplant recipients with severe graft-versus-host disease, steroids, neutropenia, iron overload, diabetes, and malnutrition, or those who received antifungals not active against Mucorales. Its incidence in allogeneic hematopoietic stem cell transplant is around 0.3%. As Mucorales are not susceptible to voriconazole and candins, and as mucormycosis often mimics aspergillosis, it is extremely important to have a precise diagnostic to correctly manage the patient. The reversed halo sign on chest computed tomography has been associated to mucormycosis in neutropenic patients, but is not pathognomonic. Direct fungal identification is crucial. Molecular approaches are developed that may be extremely useful for early diagnosis. SUMMARY Although randomized trials are quite impossible to run, due to the rarity of the disease, the recent numerous data have allowed the elaboration of European guidelines for the management of mucormycosis. Lipid formulations of amphotericin B, and especially liposomal amphotericin B at high doses (5-10 mg/kg/day), are the standard treatment, combined with surgery and control of favoring factors. The prognosis is poor, and any delay in the initiation of therapy may impact on outcome.
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Dumb-bell mass straddling the ridge of petrous: an atypical presentation of mucormycosis. Acta Neurochir (Wien) 2015; 157:931-3; discussion 933. [PMID: 25870130 DOI: 10.1007/s00701-015-2413-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2015] [Accepted: 03/23/2015] [Indexed: 10/23/2022]
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Nicolatou‐Galitis O, Sachanas S, Drogari‐Apiranthitou M, Moschogiannis M, Galiti D, Yiakoumis X, Rontogianni D, Yiotakis I, Petrikkos G, Pangalis G. Mucormycosis presenting with dental pain and palatal ulcer in a patient with chronic myelomonocytic leukaemia: case report and literature review. JMM Case Rep 2015. [DOI: 10.1099/jmmcr.0.000014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Affiliation(s)
| | - Sotirios Sachanas
- Department of Hematology, Athens Medical Center‐Psychikon Branch, Athens, Greece
| | - Maria Drogari‐Apiranthitou
- Infectious Diseases Research Laboratory, 4th Department of Internal Medicine, University General Hospital ‘ATTIKON’, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Maria Moschogiannis
- Department of Hematology, Athens Medical Center‐Psychikon Branch, Athens, Greece
| | - Dimitra Galiti
- Clinic of Hospital Dentistry, School of Dentistry, University of Athens, Athens, Greece
| | - Xanthi Yiakoumis
- Department of Hematology, Athens Medical Center‐Psychikon Branch, Athens, Greece
| | | | - Ioannis Yiotakis
- 2nd ENT Department, University General Hospital ‘ATTIKON’, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - George Petrikkos
- Infectious Diseases Research Laboratory, 4th Department of Internal Medicine, University General Hospital ‘ATTIKON’, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Gerassimos Pangalis
- Department of Hematology, Athens Medical Center‐Psychikon Branch, Athens, Greece
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Yan Y, Zhao Z, Wan H, Wu R, Fang J, Liu H. A novel fungus concentration-dependent rat model for acute invasive fungal rhinosinusitis: an experimental study. BMC Infect Dis 2014; 14:3856. [PMID: 25526739 PMCID: PMC4297382 DOI: 10.1186/s12879-014-0713-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2014] [Accepted: 12/11/2014] [Indexed: 12/14/2022] Open
Abstract
Background Acute invasive fungal rhinosinusitis is a lethal infectious process afflicting immunocompromised individuals. Knowledge about this disease is still limited due to the scarcity of animal models designed to study the pathogenesis of this infection. Mast cells are tissue-resident immune cells that participate in a variety of allergic and inflammatory conditions. Limited attention has been given to the role of mast cells in acute invasive fungal rhinosinusitis. Therefore, the objectives of this study were to create a rat model of acute invasive fungal rhinosinusitis based on analyzing the impact of different fungal concentrations on establishing infection, and to observe the changes of mast cells in rats with this disease. Methods Sprague–Dawley rats were divided randomly into four groups, three of which were experimental and received different concentrations of Aspergillus fumigatus inoculations, and one was a control group (D). The inoculated Aspergillus fumigatus concentrations were 5 × 107 conidia/ml in group A, 107 conidia/ml in group B, and 106 conidia/ml in group C. Before fungal inoculation, rats were immunosuppressed using cyclophosphamide and cortisone acetate, and had Merocel sponges inserted into the right nares. Hematology and histopathology investigations were then performed. Results An acute invasive fungal rhinosinusitis rat model was established successfully with an incidence rate of 90% in group A, 50% in group B and 10% in group C. Aspergillus fumigatus invasion was observed in 20% of the lungs in group A, but was not seen in the remaining groups. In addition, no fungi invaded the orbital tissue, brains, livers, spleens or kidneys of any rat. Compared with the control set, the total number of mast cells in the experimental groups was not significantly increased, but mast cell degranulation, on the other hand, was only found in infected nasal cavities. Conclusions This investigation illustrates that various fungal concentrations have different effects on the incidence of acute invasive fungal rhinosinusitis, and it also demonstrates the feasibility of using this model to study the process of fungal rhinosinusoidal invasion. In addition, the results suggest that mast cells may play a role in the protection of sinuses against acute Aspergillus fumigatus infection and in the clearance of established hyphal masses. Electronic supplementary material The online version of this article (doi:10.1186/s12879-014-0713-y) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Yuyan Yan
- Department of Pathology, Affiliated Beijing Tongren Hospital, Capital Medical University, Beijing, 100730, People's Republic of China.
| | - Zuotao Zhao
- Department of Dermatology, First Hospital, Peking University, Beijing, 100034, People's Republic of China.
| | - Hongfei Wan
- Department of Pathology, Affiliated Beijing Tongren Hospital, Capital Medical University, Beijing, 100730, People's Republic of China.
| | - Ruochen Wu
- Department of Pathology, Affiliated Beijing Tongren Hospital, Capital Medical University, Beijing, 100730, People's Republic of China.
| | - Jugao Fang
- Department of ENT, Affiliated Beijing Tongren Hospital, Capital Medical University, Beijing, 100730, People's Republic of China.
| | - Honggang Liu
- Department of Pathology, Affiliated Beijing Tongren Hospital, Capital Medical University, Beijing, 100730, People's Republic of China.
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Nayak S, Jindal A. Rhino-orbito-cerebral mucormycosis in a child with diabetic ketoacidosis. Indian J Crit Care Med 2014; 18:638-9. [PMID: 25249752 PMCID: PMC4166883 DOI: 10.4103/0972-5229.140160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Dimaka K, Mallis A, Naxakis SS, Marangos M, Papadas TA, Stathas T, Mastronikolis NS. Chronic rhinocerebral mucormycosis: a rare case report and review of the literature. Mycoses 2014; 57:699-702. [PMID: 25039925 DOI: 10.1111/myc.12219] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2014] [Revised: 06/07/2014] [Accepted: 06/12/2014] [Indexed: 12/17/2022]
Abstract
Rhinocerebral mucormycosis is an invasive infection caused by filamentous fungi of the Mucoraceae family. The rhinocerebral form of the disease represents the most common form and has two distinct clinical entities. The common presentation consists of a rapidly progressive infection with high mortality rate, while the other presentation is that of a chronic infection with lower mortality. In the present paper we report a rare case of chronic rhinocerebral mucormycosis. An 85-year-old male with a 6-month history of purulent and odorous nasal discharge, and sporadic episodes of epistaxis and anosmia, presented to the outpatient department of our clinic. Initial cultures were positive only for Pseudomonas aeruginosa. The patient was unresponsive to ciprofloxacin treatment, developing necrotic areas of the nasal septum suspicious for rhinocerebral mucormycosis. Admission to the ENT clinic followed, with histopathologic evaluation of the vomer bone confirming the diagnosis. The patient was treated with amphotericin B and was discharged 3 weeks later on oral posaconazole therapy. Chronic rhinocerebral mucormycosis may present with atypical symptoms or coinfection with another agent. A high degree of clinical suspicion is required for correct diagnosis and prompt initiation of appropriate treatment.
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61
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Tacke D, Koehler P, Markiefka B, Cornely OA. Our 2014 approach to mucormycosis. Mycoses 2014; 57:519-24. [PMID: 24829170 DOI: 10.1111/myc.12203] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2014] [Revised: 04/13/2014] [Accepted: 04/13/2014] [Indexed: 12/24/2022]
Abstract
Mucormycosis, previously termed as zygomycosis, is caused by fungi belonging to the order Mucorales and is a very severe disease in immunocompromised patients with an often unfavourable outcome. Given the high morbidity and mortality of mucormycosis, establishing a timely diagnosis followed by immediate treatment is of major importance. As randomised clinical trials are lacking, we present our current diagnostic and treatment pathways for mucormycosis in the immunocompromised host. Due to the difficulty to distinguish mucormycosis from other filamentous fungi, mucormycosis always has to be considered as differential diagnosis in predisposed patients. Diagnostic procedures comprise imaging, microscopy, culture and histopathology and need to be rigorously used. In patients with a high suspicion of mucormycosis, e.g. reversed halo sign on computed tomography scanning, our approach combines liposomal amphotericin B (LAmB) with surgical debridement. In light of the rapid deterioration and poor prognosis of these patients, we prefer a daily dose of LAmB of at least 5 mg kg(-1) despite nephrotoxicity. In patients with stable disease we switch to posaconazole 200 mg four times per day. In case of progression antifungal combination is an option.
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Affiliation(s)
- Daniela Tacke
- Department I of Internal Medicine, University Hospital of Cologne, Cologne, Germany
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Cornely O, Arikan-Akdagli S, Dannaoui E, Groll A, Lagrou K, Chakrabarti A, Lanternier F, Pagano L, Skiada A, Akova M, Arendrup M, Boekhout T, Chowdhary A, Cuenca-Estrella M, Freiberger T, Guinea J, Guarro J, de Hoog S, Hope W, Johnson E, Kathuria S, Lackner M, Lass-Flörl C, Lortholary O, Meis J, Meletiadis J, Muñoz P, Richardson M, Roilides E, Tortorano A, Ullmann A, van Diepeningen A, Verweij P, Petrikkos G. ESCMID† and ECMM‡ joint clinical guidelines for the diagnosis and management of mucormycosis 2013. Clin Microbiol Infect 2014; 20 Suppl 3:5-26. [DOI: 10.1111/1469-0691.12371] [Citation(s) in RCA: 465] [Impact Index Per Article: 46.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2013] [Revised: 08/09/2013] [Accepted: 08/12/2013] [Indexed: 12/22/2022]
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Abstract
Rhino-orbital-cerebral mycosis (ROCM) is a life-threatening fungal disease associated mostly with Mucoralean fungi. The infection presents as headache, vision loss, proptosis, ptosis, painful ophthalmoplegia, and peripheral face palsy, with a high mortality (>80% for infections that spread to the brain) and severe morbidity, such as eyeball exenteration and vision loss. In our hospital, a 61-year-old woman with diabetes was diagnosed with rhino-orbital-cerebral infection caused by Alternaria infectoria. Cavernous sinus thromboses (CST) were seen in surgery, pathology, and MRI. She did not respond to potent antifungal therapy until the adding of anti-thrombosis drugs. By analyzing our case, together with the ones that have been published, we realized that fungal thrombosis in the cavernous sinus is the main pathophysiological problem in ROCM that typically shows mass enhancement within the cavernous sinus in radiographic images, thrombosis with characteristics of ischemia and infarction in pathology. Anticoagulation/antithrombus therapy might be helpful in the management of ROCM if potent antifungal treatment does not have effect.
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Affiliation(s)
- D.M. Li
- Department of Dermatology and Mycological Laboratory, Peking University Third Hospital, Beijing, China
- Centraalbureau voor Schimmelcultures, Utrecht, The Netherlands
| | - P.P. Shang
- Department of Dermatology and Mycological Laboratory, Peking University Third Hospital, Beijing, China
| | - L. Zhu
- Department Otorhinolaryngology, Peking University Third Hospital, Beijing, China
| | - G.S. De Hoog
- Centraalbureau voor Schimmelcultures, Utrecht, The Netherlands
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Tan J, Manickam R, Pisharam J, Telisinghe P, Chong VH. Mucormycosis--a possible trigger pathogen for encapsulating peritoneal sclerosis. Perit Dial Int 2013; 32:479-81. [PMID: 22859845 DOI: 10.3747/pdi.2011.00241] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
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Dusart A, Duprez T, Van Snick S, Godfraind C, Sindic C. Fatal rhinocerebral mucormycosis with intracavernous carotid aneurysm and thrombosis: a late complication of transsphenoidal surgery? Acta Neurol Belg 2013; 113:179-84. [PMID: 23135781 DOI: 10.1007/s13760-012-0151-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2012] [Accepted: 10/15/2012] [Indexed: 12/13/2022]
Abstract
Mucormycosis is a rare opportunistic fungal infection. Rhinocerebral form of the disease mainly affects diabetic or immunocompromised patients. Mucormycosis have specific tropism for blood vessels leading to mucorthrombosis and less often to mycotic aneurysms. We report on a patient initially presenting with a severe sphenoid sinusopathy, who progressively evolved to cavernous sinus syndrome, internal carotid aneurysm followed by spontaneous thrombosis, chronic meningitis and ultimately fatal hypertensive hydrocephalus. Necropsy revealed a purulent infiltrate containing thin-walled, aseptate, right-angle branching, hyphae consistent with mucormycosis. His only relevant previous medical history was a transsphenoidal surgery for pituitary macroadenoma 21 years before. We hypothesize that post-surgical mucosal changes in the sphenoid sinus have been a favoring factor for delayed and invasive mucor infection.
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Vironneau P, Verillaud B, Tran H, Altabaa K, Blancal JP, Sauvaget E, Herman P, Kania R. [Rhino-orbito-cerebral mucormycosis, surgical treatment, state of the art]. Med Sci (Paris) 2013; 29 Spec No 1:31-5. [PMID: 23510523 DOI: 10.1051/medsci/201329s107] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Rhino-orbito-cerebral mucormycoses constitute a severe fungal infection. These infections mostly arise in immunosuppressed patients. The surgery aiming at resecting necrosed hurts showed its interest in term of survival for lung and cutaneous mucormycosis. However, treatment of rhino-orbito-cerebral location of mucormycosis is not well defined. Transnasal endoscopic surgery allows local control of the disease, better post-operative outcomes than transfacial approaches and less sequelae. However, transfacial approaches are sometimes necessary to allow cutaneous resection or exenteration, the indications of which still remain controversial. The retrospective study of 22 patients with mucormycosis allowed to show that radical surgical treatment allowed local control of the disease with an improved survival. Further prospective studies (PHRC MICCA, current) are required to standardize the management of this rare but potentially lethal pathology.
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Affiliation(s)
- Pierre Vironneau
- Service d'otorhinolaryngologie et de chirurgie cervico-faciale, Hôpital Lariboisière, Paris, France
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68
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Ueno A, Yoneda M, Kimura Y, Ookoshi T, Naiki H, Kuriyama M. [An autopsied case of zygomycosis invasing in the central nervous system and vessels, which is difficult in the differential diagnosis from aspergillosis]. Rinsho Shinkeigaku 2013; 52:84-9. [PMID: 22354231 DOI: 10.5692/clinicalneurol.52.84] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
A 59-year-old man with a long history of under-treated diabetes mellitus presented with severe inflammation that had spread from the sinus to the left orbital cavity. The bilateral internal carotid arteries were severely stenotic, causing multiple infarctions in the brain parenchyma. There was no β-D-glucan detected in the cerebrospinal fluid. Based on the presence of central nervous system (CNS) inflammation and vascular involvements that spread from the sinusitis, we tentatively diagnosed this patient as having invasive fungal CNS infection, i.e. zygomycosis or aspergillosis. Although the patient was treated with anti-fungal drugs such as liposomal amphotericin B and voriconazole, he died of respiratory failure. Pathological examination of the autopsied tissues demonstrated zygomycosis in the brain and heart. The prevalence of zygomycosis is generally very low (-5% of CNS infections) compared with that of other fungal infections. The lack of an appropriate diagnostic marker may lead to the under- or mis-diagnosis of zygomycosis. Moreover, it is hard to differentiate zygomycosis from aspergillosis because the two diseases share common clinical features such as the association of sinusitis and vascular involvement. The clinically diagnostic points that discriminate zygomycosis from aspergillosis are as followed; i) β-D-glucan is negative in zygomycosis but positive in aspergillosis; ii) diabetes is more frequent in patients with zygomycosis to those with aspergillosis; iii) the infectious lesion in aspergillosis shows an iso-low-intensity on T(2) weighted MRI image but shows a high intensity lesion in zygomycosis. The mortality rate of CNS zygomycosis is so high that an early diagnosis of it is warranted and the start appropriate anti-fungal treatments or surgical drainage in the early stage of the disease.
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Affiliation(s)
- Asako Ueno
- Department of Neurology, Faculty of Medical Science, University of Fukui
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Turner JH, Soudry E, Nayak JV, Hwang PH. Survival outcomes in acute invasive fungal sinusitis: a systematic review and quantitative synthesis of published evidence. Laryngoscope 2013; 123:1112-8. [PMID: 23300010 DOI: 10.1002/lary.23912] [Citation(s) in RCA: 181] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/02/2012] [Indexed: 12/16/2022]
Abstract
OBJECTIVES/HYPOTHESIS Acute invasive fungal sinusitis (AIFS) is an aggressive and often fatal infection. Despite improvements in medical and surgical therapy, survival remains limited and the factors that contribute to patient outcomes remain poorly understood. The current study systematically reviews and quantitatively synthesizes the published literature to characterize prognostic factors associated with survival. STUDY DESIGN Systematic review. METHODS Fifty-two studies comprising a total of 807 patients met inclusion criteria and were used for analysis of treatment, presentation, and outcomes. Univariate and multivariate logistic regression was used to identify prognostic factors. RESULTS All studies were classified as level 4 evidence, as per definitions provided by the Oxford Center for Evidence-Based Medicine. The most common presenting symptoms of patients with AIFS were facial swelling (64.5%), fever (62.9%), and nasal congestion (52.2%). Most patients were treated with a combination of intravenous antifungal medication and surgery. The overall survival rate was 49.7%. On univariate analysis, poor prognosis was associated with renal/liver failure, altered mental status, and intracranial extension. Patients who were diabetic, had surgery, or received liposomal amphotericin B had an improved chance of survival. On multivariate analysis, advanced age and intracranial involvement were identified as independent negative prognostic factors. Positive prognostic factors again included diabetes and surgical resection. CONCLUSIONS The overall mortality of patients with AIFS remains high, with only half of the patients surviving. Diabetic patients appear to have a better overall survival than patients with other comorbidities. Patients who have intracranial involvement, or who do not receive surgery as part of their therapy, have a poor prognosis. LEVEL OF EVIDENCE N/A.
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Affiliation(s)
- Justin H Turner
- Department of Otolaryngology-Head and Neck Surgery, Vanderbilt University School of Medicine, Nashville, Tennessee 37232-8605, USA.
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Alberto García C, García E, Gómez C, Andrés Castillo S. Mucormicosis gastrointestinal en paciente diabético; reporte de un caso y revisión de la literatura. INFECTIO 2012. [DOI: 10.1016/s0123-9392(12)70035-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
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Abstract
Mucormycosis is the third most common invasive fungal infection that particularly occurs in immunocompromised patients. Intracranial and extracranial arteriovenous vasculopathy is a complication that makes this disease more complex and difficult to treat. We describe a 23-year-old female, who presented to her local hospital with acute blindness and diabetic ketoacidosis-induced coma requiring intensive care treatment. She was found to have lesions in the nasal sinuses, orbit, and frontal base. The left carotid artery was occluded from its origin in the neck to the supraclinoid segment and left cavernous sinus involvement. No cerebral infarction was noted. Biopsies obtained by endonasal debridement confirmed mucormycosis. In addition to antimicrobial therapy, she underwent several multidisciplinary approaches to treat her disease. Multiple endonasal, and cranial procedures were done including bilateral orbital exenteration. After prolonged treatment on the intensive care unit she made a remarkable recovery to the point where she was communicating verbally and had normal limb movements and later discharged home. She remained alive and well for two months, but later succumbed to a recurrence of her disease. In conclusion, mucormycosis-induced vasculopathy is a complex problem, which merits aggressive treatment of this invasive disease. It is normally regarded as an indicator of grave prognosis.
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Abu El-Naaj I, Leiser Y, Wolff A, Peled M. The surgical management of rhinocerebral mucormycosis. J Craniomaxillofac Surg 2012; 41:291-5. [PMID: 23058177 DOI: 10.1016/j.jcms.2012.03.019] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2011] [Revised: 01/06/2012] [Accepted: 03/06/2012] [Indexed: 11/28/2022] Open
Abstract
BACKGROUND Rhinocerebral mucormycosis is a rare, rapidly progressive life threatening opportunistic fungal disease that usually occurs in immunocompromised patients. AIM The aim of the study is to present a case series of six immunocompromised patients who were diagnosed with rhinocerebral mucormycosis, review the diagnostic criteria and treatment approach. PATIENTS AND MATERIALS Six patients were treated in our department between the years 2005-2010. Their diagnostic criteria, surgical treatment and mortality rate are analyzed and discussed. RESULTS All six immunocompromised patients suffered from a primary hematological malignancy and received chemotherapy to treat their primary disease. Symptoms such as pain mimicking sinusitis, facial swelling, oral or dental pain, and fever were found in most patients. The diagnosis was based on both clinical signs and a biopsy for microbiological culture and histological examination. All patients underwent aggressive surgical resection and were treated simultaneously with anti fungal therapy. Four patients died from their primary illness. One patient died due to uncontrolled spreading of mucormycosis and one patient, the youngest and with the most extensive form of the disease (brain invasion) survived and clinically recovered with no evidence of recurrent disease following the surgical management. CONCLUSIONS Rhinocerebral mucormycosis is a rapidly progressing disease with a high mortality rate, which requires immediate surgical and medical intervention. It seems from the data presented that the presence of mucormycosis is an ominous sign in immunocompromised patients. The extent of the disease is of less prognostic value, since the only patients in our series who survived had the most extensive disease, yet his primary haemato-oncological disease was under control. Controlling the underlying disease with early diagnosis and aggressive surgical intervention appears to be the most important factor for survival.
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Affiliation(s)
- Imad Abu El-Naaj
- The Department of Oral and Maxillofacial Surgery, Rambam Medical Centre, P.O.B 9602, Haifa 35254, Israel
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73
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Tarkan O, Karagün B, Ozdemir S, Tuncer U, Sürmelioğlu O, Cekiç E, Kara K. Endonasal treatment of acute invasive fungal rhinosinusitis in immunocompromised pediatric hematology-oncology patients. Int J Pediatr Otorhinolaryngol 2012; 76:1458-64. [PMID: 22795740 DOI: 10.1016/j.ijporl.2012.06.021] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2012] [Revised: 05/30/2012] [Accepted: 06/03/2012] [Indexed: 10/28/2022]
Abstract
OBJECTIVES Acute invasive fungal rhinosinusitis (AIFR) is an aggressive fungal infection in immunocompromised patients with high mortality rates. The aim of this study is to present our experiences on endonasal treatment in immunocompromised pediatric hematology-oncology patients with AIFR. METHODS Thirteen pediatric hematology-oncology patients treated for AIFR between March 2006 and December 2011 were analyzed retrospectively. We reviewed the following data for all patients: age, gender, predisposing disease, initial symptoms, pathological diagnosis, microbiological results, laboratory findings, surgical procedure, number of operations and treatment outcomes. RESULTS Nine of 13 patients with lesions confined to sinonasal cavity were operated with endoscopic approach. Open surgery was performed in four patients, three of them had palatal and buccal lesions and one had facial skin involvement. Endoscopic approach was also used for sinonasal lesions of these four patients. A total of 7 patients died: 4 patients with progression of the underlying disease, 2 patients with sepsis and 1 patient due to renal failure. Survival rate in surgically treated patients was found 46% (6/13 patients). CONCLUSIONS Endonasal endoscopic approach is both feasible and efficient technique, also enables excellent local control with less morbidity compared to open surgery. This approach is suitable for patients who are diagnosed in the early stages of AIFR and also presents a less traumatic option for patients with poor health status. Open surgical procedure should be preferred in patients with disease extending out of the sinonasal cavity.
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Affiliation(s)
- Ozgür Tarkan
- Çukurova University, Faculty of Medicine, Department of Otolaryngology-Head and Neck Surgery, Adana 01330, Turkey.
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Skiada A, Lanternier F, Groll AH, Pagano L, Zimmerli S, Herbrecht R, Lortholary O, Petrikkos GL. Diagnosis and treatment of mucormycosis in patients with hematological malignancies: guidelines from the 3rd European Conference on Infections in Leukemia (ECIL 3). Haematologica 2012; 98:492-504. [PMID: 22983580 DOI: 10.3324/haematol.2012.065110] [Citation(s) in RCA: 232] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Mucormycosis is an emerging cause of infectious morbidity and mortality in patients with hematologic malignancies. However, there are no recommendations to guide diagnosis and management. The European Conference on Infections in Leukemia assigned experts in hematology and infectious diseases to develop evidence-based recommendations for the diagnosis and treatment of mucormycosis. The guidelines were developed using the evidence criteria set forth by the American Infectious Diseases Society and the key recommendations are summarized here. In the absence of validated biomarkers, the diagnosis of mucormycosis relies on histology and/or detection of the organism by culture from involved sites with identification of the isolate at the species level (no grading). Antifungal chemotherapy, control of the underlying predisposing condition, and surgery are the cornerstones of management (level A II). Options for first-line chemotherapy of mucormycosis include liposomal amphotericin B and amphotericin B lipid complex (level B II). Posaconazole and combination therapy of liposomal amphotericin B or amphotericin B lipid complex with caspofungin are the options for second line-treatment (level B II). Surgery is recommended for rhinocerebral and skin and soft tissue disease (level A II). Reversal of underlying risk factors (diabetes control, reversal of neutropenia, discontinuation/taper of glucocorticosteroids, reduction of immunosuppressants, discontinuation of deferroxamine) is important in the treatment of mucormycosis (level A II). The duration of antifungal chemotherapy is not defined but guided by the resolution of all associated symptoms and findings (no grading). Maintenance therapy/secondary prophylaxis must be considered in persistently immunocompromised patients (no grading).
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Affiliation(s)
- Anna Skiada
- Department of Propaedeutic Medicine, Laikon General Hospital, National and Kapodistrian University of Athens, Athens, Greece
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Abstract
Effective management of invasive fungal infections (IFIs) depends on early individualized therapy that optimizes efficacy and safety. Considering the negative consequences of IFI, for some high-risk patients the potential benefits of prophylactic therapy may outweigh the risks. When using a prophylactic, empiric, or preemptive therapeutic approach, clinicians must take into account the local epidemiology, spectrum of activity, pharmacokinetic and pharmacodynamic parameters, and safety profile of different antifungal agents, together with unique host-related factors that may affect antifungal efficacy or safety. Therapeutic drug monitoring is increasingly recognized as important or necessary when employing lipophilic triazoles (itraconazole, voriconazole, posaconazole) or flucytosine. Because early diagnostics remain limited for uncommon, yet emerging opportunistic molds (e.g., Mucorales), and treatment delay is associated with increased mortality, early effective management often depends on a high index of suspicion, taking into account predisposing factors, host cues favoring mucormycosis, and local epidemiology. Antifungal options for mucormycosis are limited, and optimal management depends on a multimodal approach that includes early diagnosis/clinical suspicion, correction of underlying predisposing factors, radical debridement of affected tissues, and extended antifungal therapy. This article discusses strategies for the effective management of invasive mycoses, with a particular focus on antifungal hepatotoxicity.
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Affiliation(s)
- Dimitrios P Kontoyiannis
- Division of Internal Medicine, Department of Infectious Diseases Infection Control and Employee Health, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA.
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González Ballester D, González-García R, Moreno García C, Ruiz-Laza L, Monje Gil F. Mucormycosis of the head and neck: report of five cases with different presentations. J Craniomaxillofac Surg 2011; 40:584-91. [PMID: 22082732 DOI: 10.1016/j.jcms.2011.10.015] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2011] [Revised: 10/06/2011] [Accepted: 10/10/2011] [Indexed: 12/12/2022] Open
Abstract
Mucormycosis is a lethal fungal disease with a general poor prognosis. Rhinocerebral presentation is the more frequent form. The purpose of this study was to review and show our experience in the management of 5 cases of mucormycosis of the head and neck with different clinical presentations. The high suspicion led us a prompt diagnosis and aggressive surgical treatment that allowed a good outcome in our series.
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Affiliation(s)
- David González Ballester
- Department of Oral and Maxillofacial-Head and Neck Surgery, University Hospital Infanta Cristina, Badajoz, Spain.
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77
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Mignogna MD, Fortuna G, Leuci S, Adamo D, Ruoppo E, Siano M, Mariani U. Mucormycosis in immunocompetent patients: a case-series of patients with maxillary sinus involvement and a critical review of the literature. Int J Infect Dis 2011; 15:e533-40. [DOI: 10.1016/j.ijid.2011.02.005] [Citation(s) in RCA: 70] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2010] [Revised: 08/29/2010] [Accepted: 02/24/2011] [Indexed: 12/14/2022] Open
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A case of rhinoorbital mucormycosis in a leukemic patient with a literature review from Turkey. Mycopathologia 2011; 172:397-405. [PMID: 21761152 DOI: 10.1007/s11046-011-9449-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2010] [Accepted: 07/03/2011] [Indexed: 12/18/2022]
Abstract
Mucormycosis (Zygomycosis) is a rare, invasive, opportunistic fungal infection of the paranasal sinuses, caused by a fungus of the order Mucorales. We report a case of rhinoorbital mucormycosis caused by Rhizopus oryzae in an acute lymphoblastic leukemia patient and review the 79 Mucormycosis cases reported in the last decade from Turkey. In our case, the diagnosis was made with endoscopic appearance, computerized tomography of the paranasal sinuses, and culture of the surgical materials. Following aggressive surgical debridement and parenteral amphotericin B therapy, the patient recovered completely. In Turkish literature, rhinocerebral manifestations were the most common form of the mucormycosis (64 cases), followed by pulmonary form (6 cases). The most common risk factor was hematologic malignancies (32 cases) and diabetes mellitus (32 cases), similar to those reported from the rest of the world. The etiologic agents responsible for the review cases were Rhizopus sp., Mucor spp., Rhizomucor spp., Rhizopus oryzae, Mucor circinelloides, and Lichtheimia corymbifera. Although various treatment modalities were used, amphotericin B was the mainstay of therapy. Mortality rate was found to be 49.4% in review cases. It seems that strong clinical suspicion and early diagnosis, along with aggressive antifungal therapy and endoscopic sinus surgery, have great importance for better prognosis in mucormycosis.
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79
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Herrera DA, Dublin AB, Ormsby EL, Aminpour S, Howell LP. Imaging findings of rhinocerebral mucormycosis. Skull Base 2011; 19:117-25. [PMID: 19721767 DOI: 10.1055/s-0028-1096209] [Citation(s) in RCA: 81] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND AND OBJECTIVES The purpose of this study was to describe common radiographic patterns that may be useful in predicting the diagnosis of rhinocerebral mucormycosis. METHODS We retrospectively evaluated the imaging and clinical data of four males and one female, 3 to 72 years old, with rhinocerebral mucormycosis. RESULTS All the patients presented with sinusitis and ophthalmological symptoms. Most of the patients (80%) had isointense lesions relative to brain in T1-weighted images. The signal intensity in T2-weighted images was more variable, with only one (20%) patient showing hyperintensity. A pattern of anatomic involvement affecting the nasal cavity, maxillary sinus, orbit, and ethmoid cells was consistently observed in all five patients (100%). Our series demonstrated a mortality rate of 60%. CONCLUSION Progressive and rapid involvement of the cavernous sinus, vascular structures and intracranial contents is the usual evolution of rhinocerebral mucormycosis. In the context of immunosupression, a pattern of nasal cavity, maxillary sinus, ethmoid cells, and orbit inflammatory lesions should prompt the diagnosis of mucormycosis. Multiplanar magnetic resonance imaging shows anatomic involvement, helping in surgery planning. However, the prognosis is grave despite radical surgery and antifungals.
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Affiliation(s)
- Diego A Herrera
- Department of Radiology, Neuroradiology Section, Universidad de Antioquia, Medellin, Colombia
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80
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Endoscopic management of rhinocerebral mucormycosis with topical and intravenous amphotericin B. The Journal of Laryngology & Otology 2011; 125:807-10. [DOI: 10.1017/s0022215111001289] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
AbstractObjective:Mucormycosis is an aggressive fungal infection which may still cause fatal complications. However, the rarity of this disease has made optimal treatment a controversial issue. This study aimed to evaluate the use of topical amphotericin B in endoscopic management of rhinocerebral mucormycosis.Subjects and methods:Thirty patients with infection limited to the nose and sinuses were selected. Patients underwent endoscopic debridement of all necrotic tissue; cottonoid pledgets soaked in amphotericin B solution were then placed in the nasal cavity. Subsequently, long-term antifungal therapy was administered.Results:The overall survival rate was 60 per cent (18 cases); survival rates in the diabetic and malignancy groups were 70.58 and 40 per cent, respectively. Apart from predisposing factors, orbital and maxillary sinus involvement also had a significant correlation with patient outcome.Conclusion:Topical use of amphotericin B combined with endoscopic surgical debridement, followed by intravenous amphotericin B treatment, may constitute acceptable management for selected patients, with less morbidity than conventional treatments.
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81
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Rhinocerebral mucormycosis: experience in 14 patients. The Journal of Laryngology & Otology 2011; 125:e3. [DOI: 10.1017/s0022215111000843] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
AbstractObjective:Mucormycosis is an opportunist, often lethal fungal infection which occurs in immunocompromised patients. We present our experience in 14 patients with this condition.Patients and methods:A retrospective chart review was conducted for 14 patients treated for rhinocerebral mucormycosis.Results:Nine patients had diabetes mellitus and six had a haematological malignancy. Nine patients had cutaneous and/or palatal necrosis. Eleven patients were treated with amphotericin B and five with liposomal amphotericin B. Endoscopic sinus surgery was performed in five patients with disease limited to the sinonasal cavity; nine patients underwent more extensive surgery. Five patients with disease limited to the sinonasal cavity survived, while nine patients with widely disseminated disease died. Five of the nine diabetic patients died, as did five of the six patients with haematological malignancy.Conclusion:Patients with rhinocerebral mucormycosis spreading outside the sinonasal cavity have a poor prognosis.
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Chronic rhinofacial mucormycosis caused by Mucor irregularis (Rhizomucor variabilis) in India. J Clin Microbiol 2011; 49:2372-5. [PMID: 21508154 DOI: 10.1128/jcm.02326-10] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
In this article, we describe a chronic case of rhinofacial mucormycosis caused by Mucor irregularis, formerly known as Rhizomucor variabilis var. variabilis, a rare mycotic agent in humans. The infection caused progressive destruction of the nasal septum and soft and hard palate, leading to collapse of the nose bridge and an ulcerative gaping hole. The mucoralean mold cultured from a nasal biopsy specimen was determined by multilocus DNA sequence data to be conspecific with M. irregularis.
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83
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Simultaneous detection and identification of Aspergillus and mucorales species in tissues collected from patients with fungal rhinosinusitis. J Clin Microbiol 2011; 49:1501-7. [PMID: 21325541 DOI: 10.1128/jcm.02262-10] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Rapid detection and differentiation of Aspergillus and Mucorales species in fungal rhinosinusitis diagnosis are desirable, since the clinical management and prognosis associated with the two taxa are fundamentally different. We describe an assay based on a combination of broad-range PCR amplification and reverse line blot hybridization (PCR/RLB) to detect and differentiate the pathogens causing fungal rhinosinusitis, which include five Aspergillus species (A. fumigatus, A. flavus, A. niger, A. terreus, and A. nidulans) and seven Mucorales species (Mucor heimalis, Mucor racemosus, Mucor cercinelloidea, Rhizopus arrhizus, Rhizopus microsporus, Rhizomucor pusillus, and Absidia corymbifera). The assay was validated with 98 well-characterized clinical isolates and 41 clinical tissue specimens. PCR/RLB showed high sensitivity and specificity, with 100% correct identifications of 98 clinical isolates and no cross-hybridization between the species-specific probes. Results for five control isolates, Candida albicans, Fusarium solani, Scedosporium apiospermum, Penicillium marneffei, and Exophiala verrucosa, were negative as judged by PCR/RLB. The analytical sensitivity of PCR/RLB was found to be 1.8 × 10(-3) ng/μl by 10-fold serial dilution of Aspergillus genomic DNA. The assay identified 35 of 41 (85.4%) clinical specimens, exhibiting a higher sensitivity than fungal culture (22 of 41; 53.7%) and direct sequencing (18 of 41; 43.9%). PCR/RLB similarly showed high specificity, with correct identification 16 of 18 specimens detected by internal transcribed spacer (ITS) sequencing and 16 of 22 detected by fungal culture, but it also has the additional advantage of being able to detect mixed infection in a single clinical specimen. The PCR/RLB assay thus provides a rapid and reliable option for laboratory diagnosis of fungal rhinosinusitis.
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84
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Air EL, Vagal AA, Kendler A, McPherson CM. Isolated cerebellar mucormycosis, slowly progressive over 1 year in an immunocompetent patient. Surg Neurol Int 2010; 1:81. [PMID: 21206542 PMCID: PMC3011109 DOI: 10.4103/2152-7806.73800] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2010] [Accepted: 10/22/2010] [Indexed: 12/31/2022] Open
Abstract
Background: Mucormycosis is a rare, aggressive fungal disease with high mortality, typically presenting as rhinosinusitis in immunocompromised patients. Case Description: A 43-year-old man with a history of intravenous drug use, Hepatitis C, and no evidence of immunocompromise presented with worsening balance problems. He had received intravenous antibiotics 2.5 years earlier for local infection after injecting heroin into a neck vein. Imaging studies revealed a lesion, likely of neoplastic origin. At resection, purulent fluid sampled by neuropathology revealed right-angled, branching hyphae, suggesting mucormycosis. No further resection was performed, no other disease sites were found, and HIV findings were negative. Two weeks postoperatively, he developed renal failure; intravenous antifungal treatment and hemodialysis were discontinued. When kidney function recovered 2 weeks later, he declined additional treatment. Conclusion: In our immunocompetent patient, both the location of the infection in the posterior fossa and its slowly progressive characteristic were unique variations of this typically aggressive disease.
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Affiliation(s)
- Ellen L Air
- Department of Neurosurgery, University of Cincinnati College of Medicine, Brain Tumor Center at University of Cincinnati (UC) Cincinnati, OH
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85
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Abstract
OBJECTIVE Sinonasal mucormycosis is a rare fulminant disorder that typically affects immunocompromised patients. This article focuses primarily on the clinical manifestations and the importance of early diagnosis and treatment of this disease. PATIENTS AND METHODS Four pediatric cases of sinonasal mucormycosis encountered over an 8-year-period in our institution are reported. The initial presenting symptoms, physical examination, computed tomography, intraoperative, and histopathologic findings are described. The underlying immunosuppressive diseases are also outlined. RESULTS The most common signs and symptoms were fever, rhinorrhea, facial erythema and edema, and very pale nasal mucosa. Despite these manifestations, the diagnosis of sinonasal mucormycosis was delayed, except in one child. Computed tomography scan findings were nonspecific and did not correlate well with surgical and pathologic findings. Treatment consisted in a combination of antifungal agents, multiple aggressive surgical debridements, and control of the underlying disease. In the postoperative course, 1 child died of the disease, 1 developed a persistent unilateral blindness, 1 was lost to follow-up, and the last 1 was cured with no sequelae. CONCLUSIONS Sinonasal mucormycosis in the immunocompromised pediatric population is an uncommon but potentially fatal disease. A high index of suspicion is of utmost importance to decrease its related morbidity and mortality.
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Subcortical Intracerebral Hemorrhage Caused by Mucormycosis in a Patient with a History of Bone-marrow Transplantation. J Stroke Cerebrovasc Dis 2009; 18:405-6. [DOI: 10.1016/j.jstrokecerebrovasdis.2008.12.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2008] [Revised: 11/11/2008] [Accepted: 12/11/2008] [Indexed: 02/07/2023] Open
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Elinav H, Zimhony O, Cohen MJ, Marcovich AL, Benenson S. Rhinocerebral mucormycosis in patients without predisposing medical conditions: a review of the literature. Clin Microbiol Infect 2009; 15:693-7. [PMID: 19624514 DOI: 10.1111/j.1469-0691.2009.02884.x] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Rhinocerebral mucormycosis is a rare disease, affecting almost exclusively patients with known predisposing conditions such as diabetes mellitus, immunocompromised status, haemochromatosis or major trauma. Subsequent to a case of rhinocerebral mucormycosis in a 78-year-old woman without any known risk factor, we reviewed the published English-language literature and found an additional 72 cases. Reviewing all the published case series of mucormycosis involving any site, the proportion of apparently normal hosts among cases of rhinocerebral mucormycosis was found to be 9.06% (95% confidence interval 6.7-11.8). These findings suggest that rhinocerebral mucormycosis in patients without known predisposing factors is more prevalent than was previously believed.
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Affiliation(s)
- H Elinav
- Department of Clinical Microbiology and Infectious Diseases, Hadassah-Hebrew University Medical Center, Jerusalem, Israel.
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88
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Waness A, Dawsari GA, Jahdali HA. The rise of an opportunistic infection called "Invasive Zygomycosis". J Glob Infect Dis 2009; 1:131-8. [PMID: 20300403 PMCID: PMC2840956 DOI: 10.4103/0974-777x.56256] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Invasive zygomycosis is a devastating fungal infection seen mostly in immune-compromised patients. We present a case of a 48-year old diabetic man, with aplastic anemia, who developed severe pulmonary mucormycosis that led to his rapid demise despite early diagnosis and treatment with liposomal amphotericin B. We also conducted an extensive review of the pathogenesis of invasive zygomycosis, its history, predisposing factors, clinical aspects, diagnostic modalities, treatment options, morbidity and mortality.
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Affiliation(s)
- Abdelkarim Waness
- Department of Internal Medicine, King Abdulaziz Medical City, Riyadh, Saudi Arabia
| | | | - Hamdan Al Jahdali
- Department of Pulmonology, King Abdulaziz Medical City, Riyadh, Saudi Arabia
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89
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Rhinocerebral Mucormycosis: Consideration of prognostic factors and treatment modality. Auris Nasus Larynx 2009; 36:274-9. [DOI: 10.1016/j.anl.2008.07.003] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2008] [Revised: 06/04/2008] [Accepted: 07/17/2008] [Indexed: 11/22/2022]
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90
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Sangoi AR, Rogers WM, Longacre TA, Montoya JG, Baron EJ, Banaei N. Challenges and pitfalls of morphologic identification of fungal infections in histologic and cytologic specimens: a ten-year retrospective review at a single institution. Am J Clin Pathol 2009; 131:364-75. [PMID: 19228642 DOI: 10.1309/ajcp99ooozsniscz] [Citation(s) in RCA: 164] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Abstract
Despite the advantages of providing an early presumptive diagnosis, fungal classification by histopathology can be difficult and may lead to diagnostic error. To assess the accuracy of histologic diagnosis of fungal infections vs culture ("gold standard"), we performed a 10-year retrospective review at our institution. Of the 47 of 338 positive mold and yeast cultures with concurrent surgical pathology evaluation without known history of a fungal infection, 37 (79%) were correctly identified based on morphologic features in histologic and/or cytologic specimens. The 10 discrepant diagnoses (21%) included misidentification of septate and nonseptate hyphal organisms and yeast forms. Errors resulted from morphologic mimics, use of inappropriate terminology, and incomplete knowledge in mycology. The accuracy did not correlate with preceding antifungal therapy (P = .14) or use of special stains (P = .34) and was not operator-dependent. Among 8 discrepancies with clinical follow-up available, 2 potential adverse clinical consequences resulted. While histopathologic identification of fungi in tissue sections and cytologic preparations is prone to error, implementation of a standardized reporting format should improve diagnostic accuracy and prevent adverse outcomes.
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Bonifaz A, Macias B, Paredes-Farrera F, Arias P, Ponce RM, Araiza J. Palatal zygomycosis: experience of 21 cases. Oral Dis 2008; 14:569-74. [DOI: 10.1111/j.1601-0825.2007.01433.x] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Abstract
✓ Recent advances in neuroimaging have resulted in a marked decrease in morbidity and death due to brain abscesses. The advent of computed tomography–guided stereotaxy has reduced morbidity in patients with deep-seated abscesses. Empirical therapy is best avoided in the present era, particularly given the availability of stereotactic techniques for aspiration and confirmation of diagnosis. Despite these advances, management of abscesses in patients with cyanotic heart disease and in immunosuppressed patients remains a formidable challenge. Unusual as well as more recently recognized pathogens are being isolated from abscesses in immunosuppressed patients. The authors provide an overview of the management of brain abscesses, highlighting their experience in managing these lesions in patients with cyanotic heart disease, stereotactic management of brain abscesses, and management of abscesses in immunosuppressed patients.
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