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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research ‘Follicular Swiss cheese’ pattern–another histopathologic clue to alopecia areata
The study concluded that a 'Swiss cheese' pattern in hair follicles is a useful sign for diagnosing alopecia areata.
research A retrospective review of hyperaesthetic leucotrichia in horses in the USA
Hyperaesthetic leucotrichia in horses causes painful, recurring skin lesions and hair color changes, especially in Arabian and American paint horses.
research KERATIN PHENOTYPES IN BASAL-CELL CARCINOMAS OF THE SKIN
Basal cell carcinoma shows keratin patterns similar to hair follicle structures.
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 Distinguishing histopathologic features of acantholytic dermatoses and the pattern of acantholytic hypergranulosis
Different skin diseases show unique patterns of skin cell separation, cell death, and granular layer changes.
research Keratin pattern in hyperkeratotic and ulcerated gastric pars oesophagea in pigs
Epithelial proliferation and hyperkeratosis are linked to gastric ulcers in pigs.
research Distinct mechanisms underlie pattern formation in the skin and skin appendages
Different processes create patterns in skin and things like hair and feathers.
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 Pili Annulati
The patient's hair has unique structural differences with alternating bright and dark bands.
research Acquired smooth muscle hamartoma with sebaceous component
The patient has a rare skin condition that shows features of two known disorders.
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 Perkembangan Aksis Pars Intermedia Hipofise – Melanosit Kulit Monyet Ekor Panjang (Macaca fascicularis).
The PI's development is closely linked to skin and hair pigmentation in macaques.
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 Postinflammatory hyperpigmentation: a common but troubling condition
Postinflammatory hyperpigmentation causes dark skin patches and needs personalized treatment.
research Harlequin fetus with abnormal lamellar granules and giant mitochondria
Harlequin ichthyosis involves abnormal skin cell structures and giant mitochondria, affecting skin and hair.
research 890 Development of pigmented reconstructed human epidermis model containing human melanoblasts from keratinocyte culture
The created skin model with melanoblasts improves the study of skin color and offers an alternative to animal testing.
research Polythelia pilosa: A Particular Form of Accessory Mammary Tissue
Polythelia pilosa is a type of extra breast tissue with hair and should be classified as such.
research Pseudopili Annulati in a Dark‐Haired Individual: A Light and Electron Microscopic Study
A dark-haired Chinese girl had hair that looked banded under certain light but was normal under a microscope.
research Unusual dermoscopic features in a patient with alopecia areata
Alopecia areata can show unusual red-dotted vessels and dithranol treatment may mask typical patterns.
research ‘Follicular Swiss cheese’ pattern - another histopathologic clue to alopecia areata
Dilated follicular infundibula and increased catagen/telogen follicles are key indicators for diagnosing alopecia areata.
research In brief
Pilomatricomas don't follow the usual hair follicle cell differentiation process.
research Complication following treatment with a microneedling technique for a female pattern hair loss: hair dye-induced tattoo-like pigmentation
Avoid hair dye after microneedling to prevent scalp pigmentation.
research Adam10 haploinsufficiency causes freckle-like macules in Hairless mice
A mutation in the Adam10 gene causes freckle-like spots on Hairless mice.
research Expression patterns of hair and epithelial keratins and transcription factors HOXC13, LEF1, and β‐catenin in a malignant pilomatricoma: a histological and immunohistochemical study
The malignant pilomatricoma showed strong epithelial keratin expression, suggesting it may not calcify.
research Linear lichen planus pigmentosus of the face with histological findings of lichen planopilaris - an uncommon variant of lichen planus
A unique case showed a rare combination of two types of lichen planus on the face.
research Facial hyperpigmentation caused by pigmented demodicosis
Facial hyperpigmentation improved with oral isotretinoin and ivermectin cream after Demodex mites were identified as the cause.
research Hair Repigmentation as a Melanoma Warning Sign
Hair turning darker can be a sign of skin cancer.
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 Cicatrising Alopecias.
Pseudopelade is likely an independent disease due to its distinct features.