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All allergy-and-immunology Cases

Choosing Wisely Canada

Resident Doctors of Canada (RDoC) has joined Choosing Wisely Canada, a national clinician led campaign to reduce unnecessary care. The ...

61314

Acute sinusitis complicated by orbital abscess

9 year-old , 5 days history , family claims it's due to Bee Stings ! 🐝

558137

Pulmonary Tuberculosis

Pulmonary #Tuberculosis with multiple cavities in a parient with HIV-AIDS

32341

Shiitake dermatitis

50 yoM presents w/ mildly pruritic rash. No environmental changes. Was at an Asian food festival a few days ago. ...

213359530

Renal angiomyolipoma in CT

Renal angiomyolipoma (AML) was seen on CT composed of vascular, smooth muscle and fat elements. #Tuberous Sclerosis is the most ...

01318

Secondary Syphilitic Lesions

A 50y/o male was presented with known h/o Diabetes Mellitus (DM) and Hypertension (HTN). The skin condition as shown in ...

113612

Rifampin causing orange urine

Want to guess this Patients rare diagnosis and the cause for this orange urine? I'll share the answer this evening!

17523691

Post nasal drip from rhinitis

Patient came in with a chief complaint of foreign body sensation. History started 3 days prior to consult when the ...

164311

Furuncle caused by Staphylococcus aureus

The #Furuncle is caused by Staphylococcus aureus. It is transmitted by contact with asymptomatic carriers, people with purulent lesion or ...

234124

Reaction to the adhesive

18yom for endoscopic appendectomy. The appendix was found to be quite severely inflamed, edematous and even leaking a bit. Yet ...

11612

Urticaria Multiforme

18yo male with 4 episodes of sudden onset pruritus & rash starting on scalp. Resolved within a day (fam dr ...

96214151

Epiglottitis and thump sign on head x-ray

2yr AAF with c/f allergic reaction. Triage to fast track (low acuity). No relevant PMH or family hx. NKDA. UTD ...

134218

Alopecia areata

Patient 3. Male, 17 years old. There are 15 days notice of flaws in his hair. Considering the picture above ...

223211

Atypical Coxsackie virus infection

Day 13 of rash on 3 yr old. Skin appears very wrinkled and peeling. Ped stated only dermatitis but I ...

25339

Foliculitis

Female 49 years old with history of atopic dermatitis treated with 10mg hydroxycinine and Quadriderm. It denies chronic-degenerative. It is ...

5217

Lichen nitidus with atopic dermatitis

8 years old boy, with 2 years history of itching skin lesion in his elbows and knees and 1-year history ...

8215

Folliculitis of the shoulder and arm

26 y, female. Lesions appeared suddenly 4 days ago after eating meat, salad and avocado. Itchy, pustular appearence it has. ...

163414

Recurrent Axillary Infection

Very painful inflammation under right armpit that is frequently reoccurring. She is currently taking oral bactrim with no improvement. Any ...

495523

Acanthosis nigricans

Middle-aged female with intensely pruritic rash to neck, axillary (intertrigo?), abdomen, groin and upper extremities for 4 weeks. No response ...

204719

Atypical herpes simplex flare-up

26 yo female with history of repeated flare up since 2011. PT said this rash shows up without warning and ...

242511

Human papilloma virus warts on the knee

13 yo female with skin lesions for a year, initially treated with 3 sessions of cryotherapy and then a unknown ...

487819

Chronic pruritic rash in psoriasis

Chronic pruritic rash in middle-aged female. Recent allergy testing revealed multiple food and environmental allergies. She has modified her diet ...

61611

Pruritic rash crossing the midline in urticaria

Patient is a 26 yo female. PMH EBV 6 years ago. Pruritic rash developing intermittently for 4 months in groupings ...

493716

decreased sensation and coloration of left middle digit

38 year old female. Started noticing her left middle digit would turn white and numb X 1 month intermittently. Color ...

4012760

cold autoimmune hemolytic anemia

how can you explain the Hb HCT results ?

35389

Systemic Lupus Erythematosis

35 year old woman. 3 months of fotosensitivity skin lesions. Also refers arthralgia, raynaud phenomenon and recurrent oral ulcers.

104115

Systemic Lupus Erythematosis

Clinical Challenge: Female, 31 years old. Two years ago she noticed the appearance of bullous lesions in the anterior region ...

52110

Tinea corporis on chest

11 year old boy whose cat ate a mouse 4 days ago, the cat died the same day, and the ...

208410305

Erythematous lesion in peri-oral area

Female, 51 years old. Erythematous lesion in peri-oral area with one day of evolution. She reports that in the beginning ...

142415

Hypersensitivity and Vasculitis

16 year old, mild fever, eruption (photo), palisading arthralgia of large joints. Your diagnosis?

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