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Glossary Nevus Sebaceous

congenital skin lesion with overgrown sebaceous glands, often hairless

Nevus Sebaceous, also known as Sebaceous Nevus or Nevus of Jadassohn, is a congenital skin lesion typically present at birth or developing in early childhood. It appears as a yellowish, hairless plaque, often on the scalp or face, and is composed of an overgrowth of sebaceous glands and other skin structures. While usually benign, it can sometimes develop secondary tumors, necessitating regular monitoring by a healthcare professional.

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research Characteristic analysis of sebaceous nevus using dermoscopy and reflectance confocal microscopy

2 citations , July 2018 in “Chinese Journal of Dermatology”

This study reported that imaging characteristics of sebaceous nevus vary significantly by age group, revealing dynamic developmental changes that can be effectively identified through dermoscopy and reflectance confocal microscopy, offering noninvasive diagnostic potential.

research Nevus Sebaceous

January 2025 in “Indian Journal of Dermatopathology and Diagnostic Dermatology”

In this histopathology study of nevus sebaceus, researchers observed distinct epidermal, sebaceous, follicular, and apocrine changes, including sebaceous hyperplasia and basaloid adnexal proliferation, which help differentiate it from similar conditions like basal cell carcinoma and trichoblastoma.

research Nevus Sebaceus With Novel HRAS Sequence Variant Mutation Misdiagnosed as Alopecia Areata

May 2023 in “Cutis”

In this case report, researchers diagnosed a 12-year-old girl with a nevus sebaceus of Jadassohn, characterized by a yellowish-pink plaque on the scalp and a genetic variant, following previous misdiagnosis as alopecia areata.

research Genome Wide Differential Expression Profiles in Nevus Sebaceous Uncovered Low Expression of CDKN2AIP and Construction of a ceRNA Network

March 2022 in “Clinical Cosmetic and Investigational Dermatology”

This study identified altered mRNA and lncRNA profiles in NS scalp tissues, highlighting CDKN2AIP as a downregulated gene involved in a ceRNA network.

research A Case of Hair Transplantation in a Nevus Sebaceus Followed by Secondary Tumors, Maintaining the Hair Cycle for Approximately 40 years

March 2026 in “The Journal of Dermatology”

This case study describes a 70-year-old woman with a congenital skin condition, nevus sebaceus, who underwent hair transplantation which maintained hair growth for about 40 years; however, secondary tumors developed over time, highlighting the persistence of tumorigenic potential within nevus sebaceus.

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community Sebaceous filaments / blackheads on scalp - are they a cause of MPB or a symptom?

in Research/Science 1 upvotes 1 month ago

Sebaceous filaments or blackheads on the scalp are not a cause of hair loss; it's more likely due to hormonal factors, particularly in androgen-sensitive areas like the temples and crown. The user is using topical finasteride, minoxidil, and tretinoin for treatment.

community possible treatment of AGA and change in sebaceous gland condition and oil production using sulfur soap

in Research/Science 4 upvotes 11 months ago

Sulfur soap may help with hair thickening and reducing scalp inflammation, but it can cause dryness. Nizoral, containing ketoconazole, is noted for its potential to reduce seborrheic dermatitis but may also cause scalp dryness and hair loss.

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