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A 15-year-old boy had a rare skin growth on his buttock.

Pilomatricomas don't follow the usual hair follicle cell differentiation process.

Recognizing diverse presentations of folliculotropic mycosis fungoides is crucial to avoid diagnostic errors.

Small white dots on the scalp seen with a dermoscope correspond to sweat ducts and vary with different hair disorders.

A man had rare skin tumors with bone formation and cholesterol deposits.

A dark-haired Chinese girl had hair that looked banded under certain light but was normal under a microscope.

A 25-year-old man had an unusual case of benign skin tumors and hair loss.

Epidermal cysts come from the skin, while pilar cysts come from hair follicles.

Fibrosing alopecia in a pattern distribution is a type of hair loss that may often be overlooked, especially in men.

The technique effectively shows how human skin and hair cells form into ball-like structures.

Developing hair follicles form from ring-shaped patterns, with future stem cells originating from the outer ring, not the upper layers, as previously thought.

Four new cases confirmed the unique features of follicular porokeratosis.

Lichen spinulosus, usually seen in young people, can rarely occur in adults, as shown by a 52-year-old woman with a rough, bumpy rash.

Different skin diseases show unique patterns of skin cell separation, cell death, and granular layer changes.

COX2 and ATP synthase control the size of hedgehog spines.

Trichoblastomas in aged house musk shrews show unique features and may involve serum amyloid A in inflammation.

Technique creates 3D cell spheroids for hair-follicle regeneration.

The skin lesion was diagnosed as a matrical cyst with unusual features.

Mouse zigzag hair bends form due to a 3-day cycle of changes in hair progenitors and their environment.

Certain sugars increase in some layers of the hair follicle during the middle of the healing process in rats, which may help improve healing.

A man had a non-cancerous, fast-growing skin lump on his arm that was removed with surgery.

A young woman had a rare scalp tumor usually found in older women.

The study found that the most common repigmentation pattern in children with vitiligo is a combination of patterns, with a new medium spotted pattern identified.

Feather patterns form through genetic and epigenetic controls, with cells self-organizing into periodic patterns.

Cat color patterns are determined early in development by gene expression and epidermal changes, with the Dickkopf 4 gene playing a crucial role.

Unique fat cells near fibrotic areas contribute to systemic sclerosis progression.

Fish cell spheroids are a promising tool for replicating real-life conditions in research.

Pig skin is similar to human skin, with no major changes as they age.

Scientists developed a new way to create skin-like structures from stem cells using a special 3D gel and a device that improves cell organization and increases hair growth.

RSPO1 mutations in certain patients lead to skin cells that don't develop properly and are more likely to become invasive, increasing the risk of skin cancer.