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Primary subcutaneous mucormycosis (zygomycosis): a case report.

A case of mycormycosis presenting primarily as a subcutaneous mass of the left leg in an immunocompetent individual is described. The mass that was diagnosed initially as a non-specific foreign body granulomatous process recurred a year later. Histopathological examination of the primary and recurrent lesions revealed partly degenerated hyphae associated with acute necrotizing and chronic granulomatous inflammation. Histomorphological features of primary subcutaneous mucormycosis without predisposing factors have not been previously reported.

Aged↗

[Rhinocerebral mucormycosis. Report of four cases].

We report four diabetic patients (one male) aged 64, 63, 61 and 77 years old with rhinocerebral mucormycosis. Three had an acute and one a chronic form of the disease. The chronic form was diagnosed with a biopsy of the nasal cavity. Three patients received amphotericin but all died. The diagnosis of the disease must be suspected in diabetics or patients with some type of immune depression.

Aged↗

Mucormycosis of the craniofacial structures.

Reports in the literature of patients surviving mucormycosis involving the craniofacial structures are exceedingly rare. The necessity for early diagnosis by recognition of any of the six key signs and symptoms is emphasized. The futility of standard diagnostic tools, other than biopsy, is noted. An underlying debilitating condition such as diabetic ketoacidosis can predispose the patient to an acute infection by this usually nonpathogenic organism. The requirement for prompt treatment of the debilitating condition together with treatment to eradicate the fungus is stressed.

Abscess↗

Rhinosino-orbital mucormycosis causing cavernous sinus thrombosis and internal carotid artery occlusion: radiological findings in a patient with treatment failure.

The authors describe a case of rhinosino-orbital mucormycosis with cavernous sinus thrombosis in association with internal carotid artery occlusion diagnosed by use of computerized tomography (CT) and magnetic resonance imaging (MRI). Cranial CT is a useful imaging tool in the diagnosis of rhinosinal invasive fungal disease and MRI offers excellent aid in the detection of intracranial extension. Early diagnosis and rapid institution of surgical debridement and antifungal therapy is the rule of thumb in treating this disorder. In our patient, surgically inaccessible bone lesion and involvement of the central nervous system are taken as major causes for his grave outcome. In addition, failure to advance appropriate amphotericin B dosage may also make the infectious process uncontrollable in this patient.

Carotid Artery Thrombosis↗

Successful treatment of mucocutaneous mucormycosis after dental extractions in a patient with uncontrolled diabetes.

A successfully treated case of mucocutaneous mucormycosis, after dental extractions in a patient with uncontrolled diabetes, has been reported. The pathophysiology of diabetes mellitus that contributes to the development of opportunistic fungal infections and gangrenous ulcerations, in a setting of decreased host resistance, has been discussed with reference to differential diagnosis and management. The consequences of operating on a patient with uncontrolled diabetes are evident.

Adult↗

Imaging of mucormycosis skull base osteomyelitis.

Skull base osteomyelitis (SBO) is typically bacterial in origin and caused by Pseudomonas, although the fungus Aspergillus has also rarely been implicated. SBO generally arises from ear infections and infrequently complicates sinonasal infection. Rhinocerebral Mucor infection is characteristically an acute, fulminant, and deadly infection also affecting the orbits and deep face and is associated with intracranial complications. Bony involvement is uncommon because of the angioinvasive nature of the fungus. More recently, chronic invasive Mucor sinusitis has been described. We report the unusual clinical and imaging features of a patient with biopsy-proven invasive mucormycosis arising from chronic isolated sphenoid sinus disease, who presented with extensive SBO and a paucity of deep facial, orbital, or intracranial involvement.

Biopsy↗

Indolent cutaneous mucormycosis with pulmonary dissemination in an asthmatic patient: survival after local debridement and amphotericin B therapy.

We describe a 68-year-old asthmatic female patient with multiple pulmonary cavities. A preexisting ecthyma on the left lower leg became erythematous and swollen during exacerbation of her asthma which was under treatment with high-dose steroids. Nonseptate broad hyphae were found in her sputum, pus from the wound, and debrided skin tissue. Hematogenous spread of septic emboli from indolent cutaneous mucormycosis to both lungs was the suspected mechanism of dissemination. High-dose steroid therapy may have been the major contributory factor. The patient was successfully treated with local surgical debridement of the wound and intravenous amphotericin B.

Aged↗

[Difficulties in the clinical, radiological and therapeutic evaluation of the initial stage of mucormycosis of the rhinosinus].

The initial diagnosis and subsequent treatment of rhino-orbital mucormycoses is quite difficult, particularly because the patient may find it difficult to accept aggressive therapeutic protocols, even when free of any endocranial involvement. The authors draw inspiration from a clinical case of rhino-orbital mucormycosis in a patient suffering from decompensated type I diabetes mellitus to discuss the main clinical-diagnostic and therapeutic aspects of this disorder. Timely medical-surgical treatment proves extremely important for prognosis, preventing the intracranial extension of the lesion which is the cause of death in 80% of such cases. As regards the diagnostic protocol, careful clinical, radiological monitoring with CT and NMR--in strict interdisciplinary cooperation between otorhinolaryngologist, radiologist, ophthalmologist, microbiologist and histopathologist--is especially important. Radical surgery, at times demolition, associated with correction of the metabolic decompensation, systemic therapy with Amphotericin B and localbi-weekly medication for three months constitutes the best therapeutic protocol for treatment of this disorder.

Adult↗

[Long-term survival in rhino-mucormycosis after conservative treatment].

OBJECTIVE/METHODS: We describe a case of rhino-mucormycosis, in a 52-year-old male, with diabetes mellitus type 2, III cranial nerve palsy and blindness due to obliteration of central retinal artery and vein of the right eye The patient was treated with anfotericin B and necrotic tissues exeresis of nasal and paranasal (ethmoidal, maxillar and esfenoidal) sinuses, without orbital exenteration. RESULTS/CONCLUSIONS: After a follow up of five years, no type of relapse was detected, but neovascular glaucoma developed.

Humans↗

Pulmonary mucormycosis in a diabetic patient.

We present the case of a 54 year-old male from Moldavia with diabetes mellitus (type II diabetic), admitted to hospital in January 1999, with ketoacidosis and consolidation of the lower left lobe. The diagnosis of mucormycosis was confirmed by identification of large, nonseptate hyphae of the order Mucorales. A strain of Rhizopus oryzae (Rhizopus arrhizus) was isolated from culture on sabouraud medium. The patient was treated by systemic amphotericin B, associated with surgical debridement (lobectomy). The treatment with amphotericin B was stopped after ten days and the patient was completely asymptomatic and returned to Moldavia. Mucormycoses are rare, and tend to be encountered in individuals with predisposing factors such as malignant blood disorders (immunocompromised patients) or diabetes mellitus. Prognosis is poor, resembling infection with Aspergillus, despite aggressive treatment as in the present case. The gravity of the condition can be accounted for by the thrombotic and necrosing nature of the fungal invasion of lung vessels.

Diabetes Complications↗

Invasive mucormycosis in benign gastric ulcer.

Fungal elements are frequently noted overlying the base of chronic peptic ulcers of the stomach and it has been suggested that the fungi enhance the degree of necrosis and that these cases have protracted disease and deeper ulcers with more perforations. It has also been postulated that the number of fungal elements might be increased in the stomach of patients who are receiving potent medications such as H2-receptor antagonists to reduce gastric acidity, but there have not been adequate control studies, and the deleterious effects from the presence of the fungi in these cases have not been substantiated. We present a very rare case of invasive mucormycosis (phycomycosis) occurring in the base of a chronic gastric ulcer in a 55 years old diabetic male. This case was clinically and radiologically been mistaken for a gastric carcinoma. In addition, the ulcer was complicated by perforation and fungal septicemia with subsequent fatal outcome. The clinical, radiological and histopathological features are described together with a literature review of other reported fungal gastric ulcers.

Abdominal Pain↗

Treatment of rhinocerebral mucormycosis by combination of endoscopic sinus debridement and amphotericin B.

Rhinocerebral mucormycosis (RCM) is an aggressive fungal infection with a high mortality rate. It frequently develops in patients with uncontrolled diabetes mellitus or immunocompromised patients. RCM typically presents in a rapidly fulminant manner with headache, fever, mucosal necrosis, and ophthalmic symptoms. Although the definitive diagnosis is achieved by histopathological examination, computed tomography (CT) scanning and magnetic resonance (MR) are the best imaging procedures in early diagnosis to assess the extent of the disease.

Amphotericin B↗

Paranasal sinus mucormycosis: a report of two cases.

Mucormycosis of the nose and paranasal sinuses is a rare invasive fungal infection, which often has a very fulminant course and characteristic clinical findings. The patients are usually immunocompromised, with diabetic ketoacidosis being the commonest underlying disorder. In some immunocompetent patients, the disease is associated with local predisposing factors, such as chronic sinusitis. Although the prognosis has improved in recent decades, the disease can still be fatal. The underlying disease is an important determinant of prognosis and correction of the metabolic disorder, if present, is essential. Herein we report two cases: one of our patients was immunocompetent but had earlier suffered from polypous rhinosinusitis whereas the other had mild adult-type diabetes. Both patients were successfully treated with surgical debridement and amphotericin B.

Aged↗

[Pulmonary mucormycosis caused by Cunninghamella bertholletiae in a non-immunocompromised woman].

A 74-year-old woman was admitted for further examination because of an abnormal nodular shadow and thickening of the bronchovascular bundle in the left upper lobe on chest radiography and CT. The findings from a transbronchial biopsy specimen were not conclusive. A thoracoscopic lung biopsy specimen revealed a fungal infection, and partial resection of S1 + 2 of the left upper lobe was carried out. In the dilated bronchus, mucus of high viscosity was seen. Lymphocytes and plasma cells had infiltrated into the bronchioles and alveoli. Fungus was cultured from the mucus, and the morphological characteristics showed Cunninghamella bertholletiae. Pulmonary mucormycosis caused by C. bertholletiae in a non-immunocompromised person is very rare. Furthermore, this patient also had a wheeze, eosinophilia, elevation of the serum IgE level, and was positive for specific IgE to Mucor. We therefore consider that this case was an incomplete type of allergic bronchopulmonary fungusis (ABPF).

Aged↗

[Rhino-orbito-cerebral mucormycosis].

Rhino-orbito-cerebral mucormycosis is a rare fungal infection, invading rapidly the nasal cavity, paranasal sinuses, orbits and intracranial structures. It most often occurs in predisposing conditions (diabetics, immunosuppressed patients). The authors report the case of a diabetic patient who presented with extensive necrotic lesions of the face in spite of appropriate antistaphylococcic therapy. Diagnosis was confirmed by histologic and mycologic tests. The outcome was favorable after Amphotericin B therapy, daily debridement, and optimal control of the diabetes.

Adult↗

Innovative medical management with resection for successful treatment of pulmonary mucormycosis despite diagnostic delay.

We present a case of primary pulmonary mucormycosis infection in a renal transplant recipient diagnosed serendipitously by computed tomography scan. Treatment included discontinuation of immunosuppressive regimen, initiation of antifungal therapy with amphotericin B lipid complex, administration of granulocyte-macrophage colony stimulating factor, surgical excision of the involved lobe, and outpatient treatment with amphotericin B with dialysis. The patient ultimately required transplant nephrectomy as a result of immunosuppression discontinuation.

Amphotericin B↗

Rhinocerebral mucormycosis in a pregnant woman with diabetic ketoacidosis.

Rhinocerebral mucormycosis (RCM) is a rare but often fatal condition characterized by aggressive necrotizing infection originating from nose and spreading to paranasal sinuses, orbit and central nervous system. Although Fungi and spores of mucorales show minimal intrinsic pathogenicity towards normal persons, they can initiate fulminant infections in patients with underlying debilitating conditions. A case of RCM in a pregnant woman with diabetic keto-acidosis successfully treated by supportive care, amphotericin B and surgery is reported.

Adult↗

Pulmonary mucormycosis in a diabetic renal transplant patient.

A 50-year-old male, diabetic, post transplant patient had recurrent pneumonia. The first episode responded well to antibiotics, while on the second occasion he had a necrotising pneumonia, which developed into a thick-walled cavity. Despite antibiotics, his condition rapidly deteriorated precluding bronchoscopy or percutaneous biopsy. Post-mortem lung biopsy revealed typical hyphae of mucormycosis.

Biopsy, Needle↗