research Focal perifollicular mucinosis of the eyelid presenting as a benign nevus
A rare skin condition was misdiagnosed as a harmless mole on a woman's eyelid.
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510-540 / 1000+ resultsresearch Primary localized cutaneous amyloidosis presenting as pigmented papules over pinna
Pigmented papules on the ear can be a rare skin condition called cutaneous amyloidosis, treatable with topical tretinoin.
research A rare repigmentation pattern in a vitiligo patient: a clue to an epidermal stem-cell reservoir of melanocytes?
Repigmentation in vitiligo may come from melanocyte stem cells in the skin.
research Histopathologic Findings of Cutaneous Hyperpigmentation in Addison Disease and Immunostain of the Melanocytic Population
The study found increased skin pigmentation and variable melanocyte density in a patient with Addison's disease.
research Differentiation of the basal cell epithelioma-like changes overlying dermatofibroma.
Basal cell epithelioma-like changes are most similar to normal basal cells.
research Pigmented Rings With Central Clearing: A Dermoscopic Feature of Melasma
Pigmented rings with central clearing help diagnose melasma more accurately.
research Perifollicular Melanocyte Regeneration in Bullous Pemphigoid
Melanocytes can regenerate around hair follicles in bullous pemphigoid, especially in patients with darker skin.
research Rippled‐pattern trichomatricoma
A unique hair tumor with a rippled pattern was identified, showing incomplete differentiation and unusual cell arrangements.
research Ultrastructural Resemblance of Basal Cell Epithelioma to Primary Epithelial Germ
Basal cell epithelioma resembles fetal hair follicles, not adult or fetal skin.
research Localized Hair Repigmentation in a 91-Year-Old Woman
A 91-year-old woman's hair turned black in one spot, with skin changes underneath.
research Hair Repigmentation as a Melanoma Warning Sign
Hair turning darker can be a sign of skin cancer.
research Seborrheic keratosis
Seborrheic keratosis is a common, harmless skin growth that can look like cancer, so it may need a biopsy.
research Unilateral heterochromia of scalp hair with adjacent hypomelanotic skin lesions
The boy's hair and skin color differences are due to a pigmentation disorder.
research Disorders of Hair Pigmentation
Hair color is determined by melanin and can be affected by genetic conditions like albinism.
research Keratin pattern in hyperkeratotic and ulcerated gastric pars oesophagea in pigs
Epithelial proliferation and hyperkeratosis are linked to gastric ulcers in pigs.
research Becker's Melanosis and Hypertrichosis*
Becker's Melanosis and Hypertrichosis mainly affects young males, causing brown skin patches and extra hair on one side of the upper body.
research Segmental Becker’s Nevi with Mucosal Involvement
A 16-year-old boy had a rare case of Becker's nevus on his face and mouth.
research The Insulin-like Growth Factor 1 Receptor Is Expressed by Epithelial Cells with Proliferative Potential in Human Epidermis and Skin Appendages: Correlation of Increased Expression with Epidermal Hyperplasia
research Pathologic Quiz Case: A 69-Year-Old Man With a Brown-Black Facial Papule
A rare benign skin growth called melanocytic matricoma was identified in a 69-year-old man.
research Epithelial elements in superficial angiomyxomas: mimicry of adnexal development, and mesenchymal‐to‐epithelial transition
Epithelial elements in superficial angiomyxomas are non-neoplastic growths mimicking embryogenesis.
research Postsclerotherapy Hyperpigmentation: A Histologic Evaluation
Most patients' skin darkening after sclerotherapy fades on its own within 6-24 months.
research Clinicopathologic Correlate of a Fresh Eyelid Pigment Implantation
The pigment in black eyeliner can spread in the skin and may cause permanent eyelash loss.
research Increased PHGDH expression promotes aberrant melanin accumulation
Higher PHGDH levels cause unusual melanin buildup in hair follicles.
research Histopathologic features of erythematous papulopustular eruption to epidermal growth factor receptor inhibitors in cancer patients
Erythematous papulopustular eruptions in cancer patients using EGFR inhibitors show specific skin changes that vary with severity and treatment type.
research Giant pigmented tumour of the scalp—a diffuse neurofibroma or a congenital naevus showing neurofibromatous changes? Immunohistochemical and electron microscopic studies
The tumor likely shows dual neural crest differentiation.
research Dermatopathia pigmentosa reticularis: A rare reticulate pigmentary disorder
Dermatopathia pigmentosa reticularis causes skin discoloration, hair loss, and nail problems.
research Difference Between Pigmented and Nonpigmented Skin
Skin diseases look different on pigmented and nonpigmented skin.
research Pigmented Epithelioid Melanocytoma (PEM)/Animal Type Melanoma (ATM): Quest for an Origin. Report of One Unusual Case Indicating Follicular Origin and Another Arising in an Intradermal Nevus
The conclusion is that Pigmented Epithelioid Melanocytoma can start from hair follicle stem cells or from a mole on the skin.
research The color of skin: white diseases of the skin, nails, and mucosa
The document concludes that while white skin, nail, and mucosa diseases increase skin cancer risk, they are generally harmless, especially compared to darker pigmentation conditions.
research A linear and reticulate crusted keratotic papulopustular eruption: a rare presentation of PRIDE (Papulopustules and/or paronychia, Regulatory abnormalities of hair growth, Itching, and Dryness due to Epidermal growth factor receptor inhibitors) complex
A rare skin reaction from cancer treatment was successfully managed with topical treatments and antihistamines.