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.
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510-540 / 1000+ resultsresearch Repigmentation of Poliosis After Epithelial Grafting for Vitiligo
Epithelial grafting can effectively repigment white hair in vitiligo patients.
research Pseudoepitheliomatous Hyperplasia in Lichen Sclerosus of the Vulva
PEH in vulvar LS is common and needs careful diagnosis to avoid confusion with cancer.
research A rare case of pigmented nodular alopecic lesion on the scalp
A man had a rare pigmented nodule on his scalp that developed from birthmarks.
research Keratin pattern in hyperkeratotic and ulcerated gastric pars oesophagea in pigs
Epithelial proliferation and hyperkeratosis are linked to gastric ulcers in pigs.
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 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 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 Pigmented Rings With Central Clearing: A Dermoscopic Feature of Melasma
Pigmented rings with central clearing help diagnose melasma more accurately.
research Benign Mucous Membrane Pemphigoid
A 68-year-old woman with benign mucous membrane pemphigoid has eye, mouth, and skin issues, including thick plaques and nail changes.
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 An approach to disorders of pigmentation
The document concludes that pigmentation disorders in animals involve complex interactions between melanocytes and keratinocytes.
research Perifollicular Melanocyte Regeneration in Bullous Pemphigoid
Melanocytes can regenerate around hair follicles in bullous pemphigoid, especially in patients with darker skin.
research Eruptive vellus hair cyst syndrome or exuberant atypical keratosis pilaris?
research Ultrastructural Resemblance of Basal Cell Epithelioma to Primary Epithelial Germ
Basal cell epithelioma resembles fetal hair follicles, not adult or fetal skin.
research Acquired smooth muscle hamartoma with sebaceous component
The patient has a rare skin condition that shows features of two known disorders.
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 Rippled‐pattern trichomatricoma
A unique hair tumor with a rippled pattern was identified, showing incomplete differentiation and unusual cell arrangements.
research Increased PHGDH expression promotes aberrant melanin accumulation
Higher PHGDH levels cause unusual melanin buildup in hair follicles.
research Differentiation of the basal cell epithelioma-like changes overlying dermatofibroma.
Basal cell epithelioma-like changes are most similar to normal basal cells.
research Hair Repigmentation as a Melanoma Warning Sign
Hair turning darker can be a sign of skin cancer.
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 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 Cutaneous Granular Cell Tumor with Overlying Hypertrichosis in an Adult: A Rare Case Report
A rare skin tumor with extra hair growth was found and safely removed from a 27-year-old woman.
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.
research Dermatopathia pigmentosa reticularis: A rare reticulate pigmentary disorder
Dermatopathia pigmentosa reticularis causes skin discoloration, hair loss, and nail problems.
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 Epidermal pigmentation in the human lineage is an adaptation to ultraviolet radiation
Forensic DNA Phenotyping can help predict physical traits from crime scene DNA to identify suspects.