Case Study
Dermatologist-led guidance on skin, hair & scalp care.
Case 50: A Scaly Patch Appearing on the Scalp Right After a Haircut — Sebopsoriasis, Not a Barbershop Infection
Quick Answer: A scaly patch along the hairline noticed hours after a haircut is more suggestive of sebopsoriasis or scalp...
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Case 49: Fragile Blisters That Burst Into Raw Pink Patches — Bullous Impetigo, the Contagious Rash to Treat Early
Quick Answer: Small red bumps that quickly develop into fragile blisters, rupturing to leave raw pink areas rimmed by peeling...
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Case 48: A Firm Raised Scar That Won't Flatten — Hypertrophic Scars, and How They Differ From Keloids
Quick Answer: A firm, raised scar confined to the boundaries of the original injury is a hypertrophic scar — the...
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Case 47: Spoon-Shaped Nails the Dermatologist Couldn't Explain — Koilonychia and What It Can Reveal
Quick Answer: Nails with a scooped, spoon-shaped appearance — thin, brittle, with a central depression that can hold a drop...
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Case 46: White Spots Slowly Growing on the Trunk — Progressive Macular Hypomelanosis vs Pityriasis Versicolor
Quick Answer: Numerous small, fairly uniform, pale (hypopigmented) spots on the trunk without obvious fine scaling lean toward Progressive Macular...
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Case 45: Small Smooth Flat Bumps Multiplying on the Forearm — Flat Warts (Verruca Plana)
Quick Answer: Small, smooth, flat-topped, skin-coloured to pinkish bumps on the forearm — multiple and grouped — suggest flat warts...
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Case 44: A Red Rash Spreading Across the Neck and Chest Since Yesterday — Thinking Through Allergic Contact Dermatitis
Quick Answer: A reddish rash over the front of the neck and upper chest developing over a day may represent...
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Case 43: Itchy Clustered Blisters Near the Lip That Appeared Overnight — Herpes Labialis (Cold Sores)
Quick Answer: Small clustered fluid-filled bumps near the lip — often preceded 1–2 days by tingling, itching, or burning at...
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Case 42: Soft Yellowish Patches Around the Eyelids — Xanthelasma, the Skin Sign Worth a Blood Test
Quick Answer: Soft, yellowish, flat or slightly raised plaques around the eyelids — typically near the inner corners — are...
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Case 41: Painful Recurring Boils and Scars in the Groin for Years — Hidradenitis Suppurativa (HS)
Quick Answer: Painful lumps, recurring boils with pus discharge, and scarring in the groin, armpits, buttocks, or under the breasts...
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Case 40: A Round Dark Patch That Reappears in the Same Spot After Taking Medicine — Fixed Drug Eruption
Quick Answer: A well-defined, round, dusky violet patch with surrounding redness is characteristic of a Fixed Drug Eruption (FDE) —...
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Case 39: Recurrent Reddish Patches on the Neck and Chest Every Summer — Pityriasis Versicolor (Erythematous Variant)
Quick Answer: Non-itchy or mildly itchy reddish patches over the neck and upper trunk that recur during summers and sweating...
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