Medical education

A 53-year-old Indigenous male farmer presented with several weeks of fluctuating lumbar back pain while physically supporting an older family member

Michael D Riceman · Caitlyn Sun · John Pierides · Jennifer Catford · Renjy Nelson · Anushia Ashokan

A 56-year-old woman of European ancestry from a suburban area of Far North Queensland was referred to the local cardiothoracic unit for a right lower lobe lung lesion

Sigrid G Theodore · Hannah J Sawkins · Manish Mathew · Sumit Yadav · Robert Norton

A 61-year-old man of European ancestry presented with five large fungating lesions

Michelle Wu · Nicole Seebacher · Margit Polcz

A 48-year-old woman presented with three days of nausea and vomiting and two days of worsening right-sided lower abdominal pain

Myung Seo Ko · Trine Gulholm · Konstantin Yastrebov

A 44-year-old man presented to the emergency department with one month of worsening breathlessness, orthopnoea, paroxysmal nocturnal dyspnoea, and pitting oedema to the thighs

Yi‐An Pan · David Roberts · Yi‐An Pan · David Roberts

A 32-year-old woman presented with a painless but cosmetically bothersome chronic indolent lesion on her left knee

Ruby C Lee · Kennedy Wong · Yolanka Lobo · Heba Jibreal

Accurate diagnosis requires careful interpretation of laboratory results, with repeat serology over time and using a range of different assays

Kate Proudmore · Vicki L Krause · Bart J Currie · Rob Baird

Clinicians should be aware of the possibility of breakthrough infection in patients with epidemiological risk factors and a characteristic vesiculopustular rash, irrespective of a history of previous vaccination

Madhara N Weerasinghe · Catriona Ooi · George Kotsiou · Vincent J Cornelisse · Arran Painter · Madhara N Weerasinghe · Catriona Ooi · George Kotsiou · Vincent J Cornelisse · Arran Painter

Regular use of dihydrocodeine, which can be purchased over the counter without a prescription, can lead to opioid use disorder

Richard CJ Bradlow · Baden Hicks · Temika Mu · Daniel Pham · Michelle Sharkey · Noel Plumley · Dan I Lubman · Shalini Arunogiri

A 19-year-old male student with a history of asthma and nut anaphylaxis was taken by ambulance to hospital when he was found unresponsive with vomitus and faecal soiling after one day of lethargy and sore throat

Gary Louie · Romeo Torres · Anthea L Katelaris · Courtney McGregor · Victor Lai · Robert Stevens · Richard Sullivan · Pamela Konecny

A 76-year-old woman presented to a regional hospital with COVID-19-related symptoms

Gabriela Strey

A 27-year-old male South American traveller developed painful genital ulcers accompanied by fever and right-sided groin pain on arrival in Sydney and consulted a GP

Rasanga Liyanage · Josephine Lusk

A 35-year-old woman presented with haematuria, unintentional weight loss, and night sweats for two months

Samuel Lau · Bertrand Ang · Sandra Tan

Blood donor screening laboratories use different testing algorithms to diagnostic laboratories and may yield results which do not conform to the usual patterns with which clinicians are familiar

Christopher D Swan · Clive R Seed · Claire E Styles · Iain B Gosbell

A 57-year-old woman receiving intermittent haemodialysis presented with a six-week history of a traumatic, painful, firm swelling of her right thumb

Mitchell Hunter‐Dickson · Jessica Conway

A 62-year-old man with a more than 30-year history of actinic keratoses and keratinocyte carcinomas presented for ongoing management

Sarah K Morton · Selim Ozluer · James Muir

A 33-year-old man presented with a four-month history of polyarthralgia, cutaneous oedema and induration of extremities after swimming

Xingyu Li · Dong‐Lai Ma

A 60-year-old woman presented to the emergency department with confusion and memory loss on the day of her father’s death

Nikolaos Papadopoulos · Ashleigh Dind · Karam Alzuhairi · Peter Caspari

A 32-year-old woman from a remote Indigenous community in Far North Queensland presented to her local health clinic with a one-day history of odynophagia

Simon Smith · James Stewart · Joshua Hanson · Julian Harris · Fred JJ Chuang · Gavin Quail · Bryan Hawarden · Roshni Lad · Shannon McNee · Benjamin McCartney · Tonia Marquardt · Ian Wilson · Catherine Tacon · Bernard CS Whitfield

An otherwise well, five-year-old girl was brought in by parents for review of a bald patch over the left frontotemporal scalp

Tim Aung

Flexibility of design is not a panacea, but adaptive clinical trial designs offer the potential for more efficient research

Elizabeth G Holliday · Natasha Weaver · Daniel Barker · Christopher Oldmeadow

A 12-year-old girl presented to a general practitioner with a two-day history of progressively worsening blurry vision

Nandini Singh · Kanika Chaudhri · Caroline Catt

A 23-year-old previously well Australian woman with no known allergies developed an erythematous, non- pruritic and non- tender rash while in Bali

Natalie SY Lee · Susan C Chu