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All allergy-and-immunology Cases

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 ...


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 ...


Reaction to the adhesive

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


Urticaria Multiforme

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


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 ...


Alopecia areata

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


Atypical Coxsackie virus infection

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



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


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 ...


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. ...


Recurrent Axillary Infection

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


Acanthosis nigricans

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


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 ...


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 ...


Target lesions of erythema migrans in lyme disease

Child comes in after camping in the Desert wth these rashes. Went to ER and received antihistamines and prednisone the ...


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 ...


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 ...


white middle finger

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


Unwarmed EDTA sample

how can you explain the Hb HCT results ?


Systemic Lupus Erythematosis

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


Systemic Lupus Erythematosis

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


Tinea corporis on chest

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


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 ...


Hypersensitivity and Vasculitis

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


Polyarthralgia and rash

64 yo, female, polyarthralgia for 1 week (knee, elbow, wrist) and then rash. No fever but stiffness and pain. Slight ...


Axillary Vitiligo with Alopecia Areata

Patient: 15 y.o. Girl Visiting dermatologist because loss of pigment with #Alopecia - localized. Armpit. Since last weeks the spot ...


Pruritic rash with lisinopril

47yo male with early onset CAD started on lisinopril 1-2 weeks before starting with pruritic rash within the beard. Saw ...


Tinea capitis

7 yof complains of lesion all over the scalp from 6 months.She also complains of fever on/off and mild to ...


Polycystic Ovary disease

Female, 30 years old. She has continuous pain in the left iliac fossa there are 30 days. She noticed increased ...


Squamous Cell Carcinoma

Patient: 72 y.o. man First time at dermatologist. The neoplasm since about a year. • Your diagnose and treatment?

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