What are the other Names for this Condition? (Also known as/Synonyms)

• CCH (Clear Cell Hidradenoma) of Skin
• Cutaneous Hidradenoma
• Nodular Hidradenoma

What is Hidradenoma of Skin? (Definition/Background Information)

• Hidradenoma of Skin is a common, benign tumor of the sweat glands. It can arise either from the apocrine or eccrine sweat gland
• There are three different types of sweat glands in the skin. These include the following:
  • Apocrine sweat glands
  • Eccrine sweat glands
  • Sebaceous sweat glands
• Hidradenoma of Skin is a slow-growing and usually solitary tumor that occurs as a painless nodule. It is often seen in young to older adults, and is typically present in the head and neck region
• The cause of Hidradenoma of Skin is largely unknown, though nevus sebaceus is identified as a risk factor for the condition
• In a majority of cases, no treatment in necessary, unless it causes worrisome symptoms or presents cosmetic concerns in the individual
• A simple surgical excision of the tumor is considered curative. The prognosis for individuals with Hidradenoma of Skin is excellent with suitable treatment

Who gets Hidradenoma of Skin? (Age and Sex Distribution)

• Hidradenoma of Skin is a common condition can be present at any age; however, it is commonly seen in the age range of 30-60 years
• They may be occasionally seen in children too
• Both males and females may be affected with equal frequency
• Individuals of all racial and ethnic background may be affected. Worldwide, no geographical localization of Hidradenoma of Skin has been reported

What are the Risk Factors for Hidradenoma of Skin? (Predisposing Factors)

• Nevus sebaceous, a benign skin condition, is identified as a risk factor for Hidradenoma of Skin

It is important to note that having a risk factor does not mean that one will get the condition. A risk factor increases ones chances of getting a condition compared to an individual without the risk factors. Some risk factors are more important than others.

Also, not having a risk factor does not mean that an individual will not get the condition. It is always important to discuss the effect of risk factors with your healthcare provider.

What are the Causes of Hidradenoma of Skin? (Etiology)

• Presently, the exact cause of development of Hidradenoma of Skin is unknown
• Research is currently being undertaken to identify the relevant causal factors

What are the Signs and Symptoms of Hidradenoma of Skin?

The signs and symptoms of Hidradenoma of Skin include:

• It usually occurs as nodules on the skin, usually as single nodules
• It is a slow-growing tumor, usually between 0.5 to 5 cm in size
• The tumor is usually painless and non-itchy
• Some tumors can be pigmented
• They are commonly observed on the head and neck area (particularly on the scalp), including on the eyelid
• Other areas of presentation include the chest, back, arms, and thighs

How is Hidradenoma of Skin Diagnosed?

A diagnosis of Hidradenoma of Skin may involve the following tests and exams:

• A thorough medical history and physical examination
• Dermoscopy: It is a diagnostic tool where a dermatologist examines the skin using a special magnified lens
• Wood’s lamp examination: In this procedure, the healthcare provider examines the skin using ultraviolet light. It is performed to examine the change in skin pigmentation
• Skin biopsy: A skin tissue biopsy is performed and sent to a laboratory for a pathological examination. The pathologist examines the biopsy under a microscope. After putting together clinical findings, special studies on tissues (if needed) and with microscope findings, the pathologist arrives at a definitive diagnosis

Many clinical conditions may have similar signs and symptoms. Your healthcare provider may perform additional tests to rule out other clinical conditions to arrive at a definitive diagnosis.

What are the possible Complications of Hidradenoma of Skin?

Hidradenoma of Skin is a benign skin lesion that may cause the following complications:

• The tumors can ulcerate and bleed
• This can cause secondary bacterial or fungal infections (superimposed infections)
• Some individuals may have concerns regarding their cosmetic appearance

How is Hidradenoma of Skin Treated?

The treatment of Hidradenoma of Skin may involve the following:

• In a majority of cases, removal of the tumor is not necessary, unless it causes bothersome signs and symptoms such as cosmetic issues
• If necessary, a complete surgical excision may be performed, which can result in a cure
• Follow-up care with regular screening and check-ups are important and encouraged

How can Hidradenoma of Skin be Prevented?

Currently, there are no known methods to prevent Hidradenoma of Skin occurrence.

What is the Prognosis of Hidradenoma of Skin? (Outcomes/Resolutions)

The prognosis for Hidradenoma of Skin is typically excellent with appropriate treatment, since it is a benign tumor.

Additional and Relevant Useful Information for Hidradenoma of Skin:

• There is no evidence to prove that oily foods and chocolate-based products have an influence on Hidradenoma of Skin formation
• Cleaning the skin too hard with strong chemicals or soaps may aggravate the skin condition. Care must be taken avoid strong soaps and chemicals that could potentially worsen the condition
• The presence of dirt on the body is not a causative factor for the condition. However, it helps to be clean and hygienic, which may help the condition from getting worse