Idiopathic Guttate Hypomelanosis (IGH) Differential Diagnoses

Idiopathic Guttate Hypomelanosis (IGH) Differential Diagnoses

The diagnosis of idiopathic guttate hypomelanosis is made clinically by visual inspection alone. Biopsies can be done, but are usually unnecessary. Differential diagnoses to consider include pityriasis alba, tinea versicolor, hypopigmented flat warts, and vitiligo.

How do you get rid of idiopathic guttate hypomelanosis IGH?

What is the treatment for idiopathic guttate hypomelanosis?
  1. Cryotherapy 5 second, single session, repigmentation visible by 4 months.
  2. Topical treatments topical steroid, tacrolimus, topical retinoids.
  3. Procedural treatments chemical peel, excimer laser, skin grafting.

Is IGH and vitiligo same?

IGH differs from vitiligo in a number of ways, including the distribution of the lesions and the patient population involved, but the main distinguishing feature of IGH is that the pigment loss is only partial. In vitiligo, the pigment loss is complete.

Can IGH go away?

IGH is a benign condition with an excellent prognosis; however, once present, lesions do not remit without treatment.

Is IGH permanent?

Idiopathic Guttate Hypomelanosis

The spots are permanent, warns Dr. Shainhouse. Aside from causing brown spots, too much sun exposure also destroys the skin’s melanocytes that result in these light spots that often appear on the arms and legs.

Is IGH itchy?

The number of patches usually increases with time but individual lesions remain the same size, and cause no symptoms whatsoever except mild pruritus, in a few individuals.

How do you treat IGH?

Idiopathic guttate hypomelanosis (IGH) is an acquired disorder presenting with small hypopigmented macules that occur chiefly on sun exposed regions of the skin. Treatments for IGH include corticosteroid, either topical or intralesional, topical retinoid, topical calcineurin inhibitors and surgical techniques.

Does idiopathic guttate hypomelanosis spread?

Typically, idiopathic guttate hypomelanosis develops first on the legs of fair-skinned women in early adult life. Later, it may spread to other sun-exposed areas, such as the arms and the upper part of the back.

Can you treat idiopathic guttate hypomelanosis?

Idiopathic guttate hypomelanosis is a common acquired skin condition characterized by multiple discrete, round, porcelain-white macules on the extensor aspects of the extremities in the elderly population. Most patients are reassured of the benign nature of the condition and no treatment is recommended.

What does a lesion look like?

Skin lesions are areas of skin that look different from the surrounding area. They are often bumps or patches, and many issues can cause them. The American Society for Dermatologic Surgery describe a skin lesion as an abnormal lump, bump, ulcer, sore, or colored area of the skin.

What causes idiopathic guttate hypomelanosis IGH?

Age. Idiopathic guttate hypomelanosis is related to the lack of pigmentary protection from the sun and sun exposure rather than to age. Fair-skinned women develop this condition first; later, with increasing age and exposure to sun, both sexes seem to be equally affected.

Is IGH contagious?

IGH is an effect of sun exposure and is mostly found in older people rather than the young. It is a function of the melanocytes and is not a disease or symptom of any internal condition. It is also not known to be result of trauma, viral infection, and is not contagious.

Can you tattoo over idiopathic guttate hypomelanosis?

Treatment of idiopathic guttate hypomelanosis with 5-fluorouracil tattooing using a handheld needle. It is a simple and original solution to treat challenging dermatosis.

How do you pronounce idiopathic guttate hypomelanosis?

Is idiopathic guttate hypomelanosis vitiligo?

Idiopathic guttate hypomelanosis is a common benign acquired disorder characterized by small, well-defined, round white macules on the sun-exposed areas of the legs and forearms. The patches are usually asymptomatic and can resemble vitiligo. Women are more commonly affected. Treatment is not necessary.

How common is nevus Depigmentosus?

The term nevus depigmentosus, however, is a misnomer, because the lesion is hypopigmented but not depigmented. The reported prevalence of nevus depigmentosus varies from 0.4% to 3%.

Which vitamin deficiency causes white spots on skin?

Deficiencies in calcium, vitamin D and vitamin E can cause white patches on the skin. While harmless, these white spots indicate that you need to eat a healthy, balanced diet.

Why are there white dots on my skin?

White spots on the skin often occur when skin proteins or dead cells become trapped under the skin’s surface. They may also occur as a result of depigmentation, or color loss. White skin spots are not usually a reason for concern and do not cause major symptoms.

Why is there white spots on my arms?

Idiopathic guttate hypomelanosis (IGH) manifests as small white spots on skin that receives high amounts of sun exposure. This includes areas like the arms and legs. The white spots are painless and benign. IGH is more common in people with light skin and may appear in women at younger ages than it does in men.

What does IGH look like?

Idiopathic Guttate Hypomelanosis (IGH) is a benign and asymptomatic skin manifestation characterized as diffuse hypopigmented macules, or white spots. The size of the lesions varies from 1-10mm, but are most commonly 1-3 mm in diameter.

Are white spots on skin sun damage?

The telltale signs of sun damage are dark spots, or age spots, and with more extensive damage, white spots, which can begin to appear on your skin after years in the sun without adequate protection. These spotscalled idiopathic guttate hypomelanosis (IGH)are generally relatively small, but can be unsightly.

Why do I have white spots on my skin that won’t tan?

Have you ever noticed white spots on your skin? While they may be caused by a more serious skin condition, most of the time they are harmless and caused by sun exposure. This condition is called idiopathic guttate hypomelanosis and is benign. White spots on the skin appear lighter than your normal skin color.

Are white freckles cancerous?

Reassuringly, white spots on skin are rarely an indicator of skin cancer. Rather, the symptoms are predominantly associated with the condition of Vitiligo. This is a non-life threatening condition, that primarily affects cosmetic views, rather than a sufferer’s health.

What is pigmentary disorder?

Pigmentary disorders result from a problem with melanin, a pigment produced by melanocytes that helps determine the color of the skin, hair, and eye iris. Increased melanin causes darker pigmentation, whereas decreased or missing melanin causes a lighter or white appearance.

What are the 3 types of lesions?

Primary skin lesions tend to be divided into three groups:
  • Lesions formed by fluid within the skin layers. Examples include vesicles and pustules.
  • Lesions that are solid masses. Examples include nodules and tumors.
  • Flat lesions. Examples include patches and macules.

What does Stage 1 melanoma look like?

Stage 1A means the: melanoma is less than 1 mm thick. outer layer of skin (epidermis) covering the tumour may or may not look broken under the microscope (ulcerated or not ulcerated)

What does sarcoidosis of the skin look like?

A rash of red or reddish-purple bumps, usually located on the shins or ankles, which may be warm and tender to the touch. Disfiguring sores (lesions) on the nose, cheeks and ears. Areas of skin that are darker or lighter in color. Growths under the skin (nodules), particularly around scars or tattoos.

Is IGH a fungus?

Pityriasis versicolor is a common yeast infection caused by fungi belonging to the genus Malassezia, which are part of the normal microbial flora of the human body. The affected skin appears to flake off and is characterized by discolored patches, mostly over the chest and the back.

What is a Lentigine?

A lentigo (plural: lentigines) is a spot on the skin that is darker (usually brown) than the surrounding skin. Lentigines are more common among Caucasian patients, especially those with fair skin, but can occur in anyone.

What is the ICD 10 code for idiopathic guttate Hypomelanosis?

Other disorders of diminished melanin formation

L81. 6 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2022 edition of ICD-10-CM L81. 6 became effective on October 1, 2021.

Is vitiligo an illness?

Vitiligo (vit-ih-LIE-go) is a disease that causes loss of skin color in patches. The discolored areas usually get bigger with time. The condition can affect the skin on any part of the body. It can also affect hair and the inside of the mouth.

What is hypopigmentation on face?

Hypopigmentation refers to patches of skin that are lighter than your overall skin tone. Your skin’s pigmentation, or color, is based on the production of a substance called melanin. If your skin cells don’t produce enough melanin, the skin can lighten. These effects can occur in spots or may cover your entire body.

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