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1.  Carotid stenting in a nonagenarian patient with symptomatic carotid stenosis 
The Australasian Medical Journal  2012;5(10):528-530.
Carotid artery stenosis is a disabling disease in all age groups. Elderly people are more prone to recurrent strokes due to advancing age and multiple co-morbidities. Treatment options for symptomatic carotid stenosis in the very elderly are the same as in younger patients although with a higher operative risk. We describe a successful case of carotid artery stenting in a nonagenarian with symptomatic carotid artery stenosis, a subgroup for whom treatment options are rarely discussed in guidelines.
doi:10.4066/AMJ.2012.1278
PMCID: PMC3494823  PMID: 23173015
Carotid artery stenosis; nonagenarian; carotid artery stenting
2.  An unusual cause for recurrent jaundice in an otherwise healthy male 
The Australasian Medical Journal  2012;5(10):541-543.
A 41-year-old Asian-Indian male presented with recurrent episodes of jaundice over the past six months. Physical examination was normal, barring mild icterus. Laboratory parameters revealed indirect hyperbilirubinemia. Further evaluation yielded a diagnosis of severe nutritional vitamin B12 deficiency. Indirect hyperbilirubinemia was ascribed to ineffective erythropoiesis. Underlying Gilbert's syndrome was ruled out by provocative testing with lipid-restricted diet. Presentation of severe vitamin B12 deficiency with isolated hyperbilirubinemia without concomitant major haematologic or neurologic dysfunction is unusual and potentially underdiagnosed. Awareness of this possibility can permit early diagnosis of vitamin B12 deficiency and forestall development of severe haematologic and neurologic sequelae.
doi:10.4066/AMJ.2012.1404
PMCID: PMC3494826  PMID: 23173018
Recurrent jaundice; indirect hyperbilirubinemia; vitamin B12 deficiency; ineffective erythropoiesis
3.  Cranial melioidosis with extradural extension after a fall in the bathroom 
The Australasian Medical Journal  2012;5(8):455-458.
A 32-year-old diabetic male, with a past history of head injury and seizures, presented with a painful swelling over his forehead present for the past three months. Cranial MRI demonstrated the presence of a scalp collection with extradural extension through a bony defect. Biopsy from the area showed caseating necrosis suggestive of tuberculosis. Although the patient failed to return for initiation of anti-tubercular therapy for the next 11 months, the swelling did not progress, and there were no constitutional symptoms. The indolent nature of the swelling prompted re-evaluation and delayed cultures of pus from the collection grew Burkholderia pseudomallei.
doi:10.4066/AMJ.2012.1374
PMCID: PMC3442190  PMID: 23024720
Cranial epidural abscess; melioidosis; Burkholderia pseudomallei
4.  A rare case of seronegative culture-­proven infection with Brucella suis 
The Australasian Medical Journal  2012;5(7):340-343.
Brucellosis is a chronic infection produced by members of the Brucella family. Diagnosis of this condition requires either isolation of the organism in culture or positive serological tests.
We describe a 27-year-old male admitted as a case of pyrexia of unknown origin (PUO), who tested negative for Brucella IgM ELISA test on preliminary evaluation but was subsequently diagnosed on the strength of positive blood and bone marrow cultures to be a case of brucellosis secondary to Brucella suis infection. In addition to highlighting the pathogenic potential of an unusual organism, this case demonstrates the unreliability of standard serological tests based on the Brucella melitensis antigen for infection with other species of Brucella.
doi:10.4066/AMJ.2012.1177
PMCID: PMC3412998  PMID: 22905059
Brucella suis; pyrexia of unknown origin; serological tests
5.  Tubercular neuritis: A new manifestation of an ancient disease 
The Australasian Medical Journal  2011;4(12):674-676.
A 25-year-old housewife presented with a burning sensation over both legs for the past 15 months, and fever with weight loss for the past six months. She had noticed a lump in her left breast one month ago. Examination revealed hyperaesthesia and allodynia over the lower limbs. Nerve conduction studies confirmed the presence of sensory neuropathy. Nerve biopsy was suggestive of a chronic axonopathy. Subsequently sputum as well as aspirate from the breast lump tested positive for acid fast bacilli. Treatment with anti-tubercular therapy resulted in full recovery. Peripheral neuropathy is a unique and unusual presentation of tuberculosis.
doi:10.4066/AMJ.2011.1029
PMCID: PMC3413966  PMID: 22905042
peripheral neuropathy; disseminated tuberculosis; sensory polyneuropathy
6.  Large unilateral pleural effusion secondary to Moraxella catarrhalis infection 
The Australasian Medical Journal  2011;4(9):485-487.
A 43-year-old male with chronic kidney disease on maintenance hemodialysis presented with breathlessness, cough and right-sided abdominal pain. Examination revealed a large right-sided pleural effusion and subsequent thoracocentesis yielded an exudate. Although the fluid culture was sterile, sputum culture produced Moraxella catarrhalis. Tuberculosis was ruled out by pleural fluid analysis and pleural biopsy. Antibiotics were administered and subsequent radiograms indicated resolution of the effusion. This is a rare case of a large unilateral pleural effusion secondary to M. catarrhalis infection in a nonsmoker with no pre-existing pulmonary pathology.
doi:10.4066/AMJ.2011.864
PMCID: PMC3562906  PMID: 23393539
Kidney disease; pleural effusion; Moraxella catarrhalis
7.  Lipoid Proteinosis Mimicking Congenital Immunodeficiency: A Case Report 
The Australasian Medical Journal  2011;4(3):155-159.
Lipoid proteinosis is a rare congenital disorder that can present with a variety of symptoms. A nineteen year old Indian male with dysmorphic features was admitted with a twelve year history of recurrent ulcerations over the upper limbs and oral cavity. Although the initial presentation was strongly suggestive of a congenital immune-deficiency syndrome, all investigations for immunodeficiency disorders were negative. Subsequent evaluation yielded a diagnosis of lipoid proteinosis.
doi:10.4066/AMJ.2011.635
PMCID: PMC3562964  PMID: 23390465
Lipoid proteinosis; congenital immunodeficiency syndrome; recurrent ulcerations

Results 1-7 (7)