Tumor, Dermatology FAQ

Granules on the chest and abdomen? Hello Dr. Wu, I have been struggling with a persistent skin issue for a long time. I have small, bump-like lesions on my body that resemble sebaceous cysts or comedones, primarily located on my abdomen, chest, and extending to my back (as shown ...

Is there a correlation between taking Ropinirole and breast tumors? I am a female experiencing androgenetic alopecia and have been taking Finasteride (commonly known as Propecia) for nearly two years as directed by my physician. Recently, I underwent a breast ultrasound that reve...

A bump on the nose that does not go away? Hello Doctor, about a week before my last menstrual period, I developed a bump on my nose that looked like a large pimple. I initially thought it was a hormonal acne, but now that my period has ended and it's been almost two weeks, t...

Split nails Hello doctor, my right middle finger nail has started to split vertically over the past year, and the area where it splits also has horizontal cracks (like peeling). There is a line on the intact part, and as soon as it grows out past the flesh, it splits. Could you p...

The issue of having granulomas under the eyes? Hello doctor, I have a small growth under my eyes, near the dark circles. I previously used a comedone extractor to remove it, but it reappeared in a few days. Could you please advise me on what ointment I can apply to get rid of thi...

A tumor has developed on the scrotal epidermis? Hello, doctor! I am a male and about four months ago, I discovered a small round flesh-like growth on the skin of my left scrotum near the thigh side (approximately 1 cm in diameter and protruding about 0.5 cm). It feels somewhat fi...

The mole on my abdomen? Hello doctor, I have several spots on my abdomen that resemble moles. I'm not sure when they appeared; it could have been two or three years ago. They haven't caused me any discomfort, but I recently had a scalp tumor excised, and I feel quite an...

Hemangiomas can be painful? I developed a vascular tumor nearly 1 centimeter in size after not applying pressure properly following a venous injection. It has been a month, and I occasionally experience a tingling sensation, along with pain when pressure is applied. Will this res...

Neck issues? Dear Doctor: I have a lump at the end of the hairline on the back of my neck. It was initially painful when I turned my head or moved, but after about a week, the pain subsided, although the lump is still there and feels somewhat firm when pressed. Now, almost a mont...

Popping a pimple with pus? I would like to ask the doctor, I have a skin mole on the back of my knee that is not painful or itchy, but one day I noticed a black dot in the middle of the mole. I squeezed it, and at first, it looked like a blackhead, but then it started to come out...

Black protrusions on the inner thigh? Hello Dr. Li, I read an article yesterday about a 27-year-old young mother who lost her life due to neglecting a mole that had been on her body for years. This made me suddenly remember that I have a large mole on the back of my thigh that ha...

Pain under the fingernail? Hello Doctor: I have pain in the area just below the nail of my ring finger, near the tip. The external appearance of my finger shows only a slight redness under the nail bed, with no swelling or pus. However, the redness is very subtle and can only be ...

Skin nodule Hello Doctor, about a month and a half ago, I noticed a hard lump on the skin behind my left ear. It doesn't move, and at that time, I squeezed it and seemed to extract a hard tissue, thinking it was just a type of pimple. Recently, I found that it has reformed a...

A lump approximately 0.5 centimeters in size has developed on the head? I discovered a hard, round lump about 0.5 centimeters in size on the upper right back of my head when I was in the sixth grade. However, it has not changed in size over the past three years. After researching...

Purplish-red swollen mass on the back? A 1-2 cm purplish-red raised hard lump has developed on the back, which is painful when lightly pressed, but there is no pus. The individual usually sleeps naked. Could this be an insect bite or a tumor? Is treatment or removal necessary? Th...

How should multiple benign skin tumors/keratosis on the scrotum be treated? Hello, doctor. Which of the following treatments is quick and effective, and what are the potential side effects? Laser, cryotherapy, electrocautery, and superficial radiation therapy. What is minimally i...

A lump has appeared on the neck? I previously visited a dermatologist who examined me and said it was benign, but now it is inflamed, painful when pressed, and itchy. Is this an inflammatory reaction or a tumor?

The black skin on the mole is peeling off? After taking a shower, I noticed that the black skin on a mole on my arm has peeled off, changing from black to brown. The shape remains the same, still round, and the size is unchanged. There is no pain, itching, or bleeding. I would li...

A sarcoma has developed? The doctor found a growth resembling a tumor in the area near the left pubic region, approximately one centimeter in diameter. It is not painful and occasionally has mild itching. What could this be? Will it continue to grow? If it is not painful, can it ...

Lip issues Dear Doctor, my child is 3 years old and has a small, raised bump on the upper left edge of his upper lip. It is not usually noticeable, but becomes quite prominent when he smiles or opens his mouth, roughly the size of half a green bean. It is not painful or itchy, an...