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Moles are a common form of growth or formation on your skin that appear often in the form of small, black spots. They can develop anywhere on the body. They usually occur during adolescence or childhood and with the passage of time, they may change colour. Moles are a type of skin growth, which usually do not go away with time.
On the other hand, freckles are often described as round, flat, dark colour spots which vary in size from about 2mm to 4mm. They may result from pigment precipitation in one particular area as the skin that surrounds the dark spot is comparatively lighter in shade. Being sensitive to the sun’s ultra violet rays, freckles become more noticeable during or after sunlight exposure. Although freckles are usually found in areas which are not covered from the sun’s exposure, they could also occur anywhere on your body.
What causes them?
Moles are caused due to certain skin cells, known as melanocytes, grow in a very close group instead of being evenly and normally spread across the skin. Moles that occur during birth are called congenital nevi and their chances of occurring are around 1 in a 100. These moles are more prone to develop into skin cancer (melanoma) in later stages of life.
Freckles on the other hand are
- Genetically transferred, so the chance of you becoming affected are higher, if any of your parents have it.
- If there’s a prolonged exposure to the sunrays, then freckles may appear on your skin and they become even more prominent on a fair skin. Since the presence of melanin is less in people with fair skin the sunlight exposure causes these dark spots to surface easily
- Hormonal imbalances could be yet another reason for freckles to appear as estrogen could be over-stimulate cells that produce pigment and thus become more prominent in the presence of sunlight.
- Rare disorders like Xeroderma Pigmentosum (a condition leading to extreme light sensitivity and also skin cancer in certain cases) can make your skin more sensitive to the UV rays, thus resulting in freckles.
Treatment of moles and freckles
- Laser Treatment: There are different types of lasers which are absolutely safe and can help reduce or lighten these dark spots effectively.
- Cryosurgery: The physician would use a light freeze in conjunction with liquid nitrogen to reduce the spots of freckles. However, not every spot responds to this kind of treatment.
- Retinoids: Mostly used with a combination of other bleaching creams, retinoids help reduce freckles when used continuously for a couple of months. If you wish to discuss about any specific problem, you can consult a Dermatologist.
I have black spot on my face, I have used so many types of cream as well as medicine but didn't cure my problem.
My skin has spots and holes after the pimples happened to me and now the face is dull and my body is soo lean even though I eat the diet or food well my weight is also not increasing. please suggest me on this two queries. Thank you in advance.
Pinta is a skin disease caused by a bacterial infection. It is usually acquired during childhood and contracted through the skin to skin contact with an infected person. The disease is endemic to Mexico, Central America and South America. About One million of cases with Pinta were reported in Central and South America in the year 1950. The disease sets in within an incubation period of two to three weeks. It affects mostly the exposed areas of the skin including the arms, legs and face. The word ‘Pinta’ is a Spanish word which means ‘painted’. Pinta is classified under a treponemal disease because it is contagious and is caused by treponemes, a genus of spiral-shaped bacteria. Recent reports suggest the occurrence of disease in the Philippines and some areas of the pacific region.
The bacterium enters the skin through a cut, scratch or a lesion and causes a red scaly bump called the primary lesion. Other lesions may start to form surrounding the primary lesion usually in exposed surface of arms and legs. Local lymph nodes also become enlarged. Within three to nine months, these thick flat lesions called pintados spread all over the body. Sometimes the disease spreads to eyes causing eyelid deformities. The last stage of the disease is characterised by pigment changes in the skin including a combination of hyperpigmentation and depigmentation causing permanent discoloration. However, many patients get treated successfully before they reach the last stage.
Clinical Diagnosis of the infection is usually done through a blood sample showing bacterial infection or through diagnosing the scrapings of the lesion. The patient is subjected to an antibiotic treatment of drugs like penicillin, tetracycline, azithromycin and chloramphenicol. If prescribed dose of antibiotics is followed regularly, the cure is possible, however, skin damage caused due to lesions remain irreversible.
The disease is prevalent in rural and poverty-stricken areas and thus holds a strong connect with the socio-economic life of people. The living conditions, adequate water supply, domestic, personal and community hygiene, a proper waste disposal system and mosquito prevention and control play an important role in the prevention of the disease.
Prevention and control programs for Pinta must focus on awareness generation among high-risk groups. Though community hygiene is covered under many state health programs, for many communities, personal hygiene and the safe domestic environment remains far from satisfactory. Thus, first and foremost intervention must include building knowledge about maintaining proper hygiene and inculcating good habits for health and disease prevention. Since the disease is generally acquired in childhood, educating the parents about the early signs and symptoms of infection can also go a long way in ensuring that timely medical help is provided. If you wish to discuss about any specific problem, you can consult a doctor and ask a free question.