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What is dark yellow or brown colored spots on the skin called?
senile lentigines Common term: "liver spots"
Multiple lentigines syndrome?
DefinitionMultiple lentigines syndrome is an inherited disorder identified by an increased number of lentigines (freckle-like spots).Alternative NamesLeopard syndromeCauses, incidence, and risk factorsMultiple lentigines syndrome is inherited as an autosomal dominant trait. People with this condition have large numbers of lentigines. Lentigines are skin markings that are somewhat darker than true freckles. They are present from birth. They are located mostly on the trunk and neck.Affected people also have wide-set eyes (hypertelorism), prominent ears, nerve deafness (partial), and cafe-au-lait spots (light brown birthmarks).In contrast, having scattered lentigines is normal and does not indicate a problem.Additional symptoms include mild pulmonic stenosis and changes in the ECG (electrocardiogram). People with this condition may have abnormal genitalia (cryptorchidism), hypogonadism, or delayed puberty.SymptomsA family history of multiple lentiginesAbsent or delayed pubertyCafe-au-lait spotsMultiple lentigines on neck and trunk (may be on any cutaneous surface)Pectus carinatum (abnormalities of the sternum or breastbone)Pectus excavatumProminent earsSlow growthUndescended testicles(cryptorchidism)Wide-set eyes (hypertelorism)Signs and testsA physical examination may show signs of mild pulmonic stenosis (obstruction of the pulmonic heart valve) and obstructive cardiomyopathy.Tests:ECG, may show abnormalitiesEndocrineevaluationHearing testTreatmentThe goal of treatment is to help with the correctable problems. The degree of hearing loss must be determined and hearing aids supplied where necessary. Hormone treatment may be necessary at the expected time of puberty to cause the normal changes to occur.Expectations (prognosis)Most patients adjust very well with proper attention to their specific problems.ComplicationsComplications vary and include:DeafnessDelayed pubertyHeart problemsInfertilityCalling your health care providerCall your health care provider if there are symptoms of this disorder.Call for an appointment with your health care provider if you have a family history of this disorder and plan to have children.PreventionGenetic counseling is recommended for people with a family history of multiple lentigines syndrome who want to have children.ReferencesGibbs NF, Makkar HS. Disorders of Hyperpigmentation and Melanocytes. In: Eichenfield LF, Frieden IJ, Esterly NB, eds. Textbook of Neonatal Dermatology. 2nd Ed. Philadelphia, Pa: Saunders Elsevier; 2001: p. 196.
What is the medical term meaning freckle?
Freckles are clusters of concentrated melanin which are most often visible on people with a fair complexion. A freckle is also called an "ephelis". Freckles do not have an increased number of melanin producing cells (melanocytes). This is in contrast to Lentigines and MolesIt is a macule: flat pigmented,circumscribed area less than 1 cm in diameterFreckles are clusters of concentrated melanin which are most often visible on people with a fair complexion. This is in contrast to Lentigines and Moles.Frecles are not Lentigenes
What is a lentigo?
A lentigo is a small, flat, pigmented spot on the skin. It is often referred to as a sun spot or liver spot and is typically benign. Lentigines are commonly found in areas of the skin that have been exposed to the sun.
Can dogs get freckles, and if so, what causes them to appear on their skin?
Yes, dogs can get freckles, which are also known as "lentigines." These dark spots on a dog's skin are caused by an increase in melanin production, similar to how freckles appear on humans.
Do dogs get freckles, and if so, what causes them to appear on their skin?
Yes, dogs can get freckles, which are also known as "lentigines." These freckles are caused by an increase in melanin production in certain areas of the dog's skin, similar to how freckles appear on humans.
What are the common causes of freckles on dogs and how can they be managed or treated?
Common causes of freckles on dogs include genetics, sun exposure, and age. Freckles, also known as solar lentigines, are usually harmless but should be monitored for changes in size or color. To manage or treat freckles on dogs, limit sun exposure, use pet-safe sunscreen, and consult a veterinarian for any concerns.
What are these big brown spots on bottom of foot?
Big brown spots on the bottom of the foot can be caused by various factors, including hyperpigmentation, calluses, or skin conditions such as plantar warts or lentigines. They may also indicate underlying issues like fungal infections or even skin cancer. It's important to monitor any changes in size, shape, or color and consult a healthcare professional for an accurate diagnosis and appropriate treatment.
Can age spots be scaly?
Yes, age spots, also known as liver spots or solar lentigines, can sometimes appear scaly, particularly if they are irritated or if the skin around them is dry. However, they typically present as flat, brown, or black spots on sun-exposed areas of the skin. If a spot changes in texture, becomes scaly, or shows other unusual characteristics, it’s advisable to consult a dermatologist, as it may indicate a different skin condition.
Are sunspots cancerous?
It is possible, normally they just are freckles on fair skin individuals, to be sure, you need to consult a doctor, skin cancer is very deadly. I had sun poisoning, and it is terrible. Years later I still need to be extremely careful.
What causes brown spot on palm of hands?
Brown spots on the palms of the hands are often caused by sun exposure, leading to a condition known as solar lentigines or age spots. Other potential causes include skin conditions like eczema or psoriasis, hormonal changes, or the effects of certain medications. Additionally, liver spots can develop as a result of aging and skin damage. If the spots change in appearance or cause concern, it's best to consult a healthcare professional for evaluation.
What causes brown patches on face and arms?
Brown patches on the face and arms are often caused by an overproduction of melanin, the pigment responsible for skin color. Common factors include sun exposure, hormonal changes (such as during pregnancy or from birth control), and certain skin conditions like melasma or lentigines. Aging can also contribute, as skin becomes less efficient at shedding old cells. Additionally, post-inflammatory hyperpigmentation can occur after skin injuries or inflammation.
