A sebaceous adenoma, a type of
adenoma
An adenoma is a benign tumor of epithelial tissue with glandular origin, glandular characteristics, or both. Adenomas can grow from many glandular organs, including the adrenal glands, pituitary gland, thyroid, prostate, and others. Some ad ...
, a cutaneous condition characterized by a slow-growing
tumor
A neoplasm () is a type of abnormal and excessive growth of tissue. The process that occurs to form or produce a neoplasm is called neoplasia. The growth of a neoplasm is uncoordinated with that of the normal surrounding tissue, and persists ...
usually presenting as a pink, flesh-coloured, or yellow
papule
A papule is a small, well-defined bump in the skin. It may have a rounded, pointed or flat top, and may have a dip. It can appear with a stalk, be thread-like or look warty. It can be soft or firm and its surface may be rough or smooth. Some ha ...
or
nodule.
[ James et al. 2006][ Rapini et al. 2007]
Significance
Sebaceous adenomas, in isolation, are not significant; however, they may be associated with
Muir-Torre syndrome, a
genetic condition
A genetic disorder is a health problem caused by one or more abnormalities in the genome. It can be caused by a mutation in a single gene (monogenic) or multiple genes (polygenic) or by a chromosomal abnormality. Although polygenic disorders ...
that predisposes individuals to
cancer
Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body. These contrast with benign tumors, which do not spread. Possible signs and symptoms include a lump, abnormal bl ...
. It is also linked to
hereditary nonpolyposis colorectal cancer
Hereditary nonpolyposis colorectal cancer (HNPCC) or Lynch syndrome is an autosomal dominant genetic condition that is associated with a high risk of colon cancer as well as other cancers including endometrial cancer (second most common), ovary, ...
(Lynch syndrome).
It is not the same as "
adenoma sebaceum
Adenoma sebaceum is a misnamed cutaneous disorder consisting of angiofibromas that begin in childhood (generally present between 2–5 years of age) and appear clinically as red papules on the face especially on the nasolabial folds, cheek and chi ...
" by
F. Balzer and
P.E. Ménétrier (1885). The term "adenoma sebaceum" is a misnomer for ''facial angiofibromas'' associated with
tuberous sclerosis complex
Tuberous sclerosis complex (TSC) is a rare multisystem autosomal dominant genetic disease that causes non-cancerous tumours to grow in the brain and on other vital organs such as the kidneys, heart, liver, eyes, lungs and skin. A combination ...
.
[ Morgan et al. 1979]
See also
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Sebaceous carcinoma Sebaceous carcinoma, also known as sebaceous gland carcinoma (SGc), sebaceous cell carcinoma, and meibomian gland carcinoma is an uncommon malignant cutaneous tumor. Most are typically about 1.4 cm at presentation. SGc originates from sebaceous ...
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Sebaceous hyperplasia
Sebaceous hyperplasia is a disorder of the sebaceous glands in which they become enlarged, producing flesh-colored or yellowish, shiny, often umbilicated bumps on the face. Newly formed nodules often swell with sweating (which is pathognomonic for ...
*
List of cutaneous conditions
Many skin conditions affect the human integumentary system—the organ system covering the entire surface of the body and composed of skin, hair, nails, and related muscle and glands. The major function of this system is as a barrier agai ...
*
References
Footnotes
Citations
Sources
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External links
Epidermal nevi, neoplasms, and cysts
{{Epidermal-growth-stub