Moles on Mucous Membranes: When to Seek Medical Advice - Dermatology

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Mole on the mucous membrane of the genital area?


Hello, doctor.
Yesterday, I accidentally discovered a small mole on the mucosal area of my labia minora.
The surface is flat and it measures about 0.1 to 0.2 centimeters.
I'm not sure if it was there before.
I would like to ask, if I'm concerned about potential malignancy and want to have it removed, should I consult a dermatologist, a plastic surgeon, or a gynecologist? Will the specimen be sent for pathology examination after removal? Thank you.

Niming, 40~49 year old female. Ask Date: 2023/06/20

Dr. Wu Yuxin reply Dermatology


Obstetrics and gynecology can send samples for laboratory testing.

Reply Date: 2023/06/20

More Info


When it comes to moles or lesions on mucous membranes, such as those found on the labia, it is essential to approach the situation with caution and awareness. Moles, or nevi, can appear in various forms and may have different implications depending on their characteristics. In your case, you mentioned discovering a small mole on the mucous membrane of the labia, measuring approximately 0.1 to 0.2 centimeters, and you are concerned about the possibility of it being a sign of a more serious condition.

First and foremost, it is important to understand that any new or changing mole should be evaluated by a healthcare professional, especially when it appears in sensitive areas like the genital region. While many moles are benign, some can develop into skin cancers, including melanoma. The characteristics of the mole, such as its size, shape, color, and any changes over time, are crucial in determining whether further evaluation is necessary.

In terms of which specialist to consult, it is generally advisable to start with a dermatologist, as they specialize in skin and mucous membrane conditions. A dermatologist can assess the mole's appearance and determine if it requires removal or further investigation. If the mole is deemed suspicious or atypical, the dermatologist may recommend excision.
Alternatively, if you have a gynecologist or obstetrician, they can also evaluate the mole, especially since it is located in a gynecological area. They may refer you to a dermatologist if they feel it is necessary. Plastic surgeons can also perform excisions, but they are typically involved in cases where cosmetic outcomes are a primary concern. Therefore, for a mole that raises suspicion, starting with a dermatologist or gynecologist is the most appropriate course of action.

Regarding the removal of the mole, if it is excised, it is standard practice to send the tissue for histopathological examination (biopsy). This process allows for a thorough analysis of the mole's cells to determine if there are any signs of malignancy or other abnormalities. The results of this biopsy will provide critical information about the nature of the mole and guide any further treatment if necessary.

In summary, if you have concerns about a mole on your mucous membrane, it is prudent to seek medical advice promptly. A dermatologist or gynecologist can provide an initial evaluation, and if removal is indicated, the excised tissue will typically be sent for further analysis. Early detection and intervention are key in managing any potential issues related to skin lesions, particularly in sensitive areas. Always prioritize your health and do not hesitate to reach out to a healthcare professional for guidance.

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