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why does a scab appear on the head as a first sign of cancer

A 30-year-old female asked:
Dr. Amrita Dosanjh
35 years experience Pediatrics and Pediatric Pulmonology
Nasal bleed: If you are otherwise well and have a history of nasal bleeding, the source is most likely from the nasal passages. If it recurs or persists, please ha ... Read More

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A 21-year-old male asked:
Dr. Sonia Badreshia-Bansal
18 years experience Dermatology
Benign nodule : Common surface nodules on the neck include cysts and lipomas. They may grow larger or be painful. However there are some nodules that may be cancerous ... Read More
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1 thank
Dr. Ed Friedlander
43 years experience Pathology
What about the lump?: If it is VERY large, more than a good inch across, rock hard, and / or stuck to nearby structures, get it seen. Otherwise, it's probably a lymph node ... Read More
A member asked:
Dr. Heidi Fowler
24 years experience Psychiatry
Hello. : Hello. This may be alopecia areata. It is a spot where hair is lost. If that is the cause, it isn't due to cancer or a sexually transmitted disease. I ... Read More
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1 thank
A 37-year-old member asked:
Dr. Gurmukh Singh
48 years experience Pathology
Need for examination: It is not feasible to provide a meaningful opinion without examining the lesions. If the lesions have persisted for more than a couple of weeks, it wo ... Read More
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1 thank
A 49-year-old member asked:
Dr. Robert Bader
26 years experience Dermatology
Dermatographism: Some people get hives when the skin is scratched. This results in linear welts and itching that lasts 1-2 hours. Most cases are not associated with ... Read More
A 26-year-old member asked:
Dr. Devon Webster
21 years experience Medical Oncology
No: Chronic bad taste in the mouth is usually a result of sinus disease, gum disease, or acid reflux (stomach acid coming up into the mouth.) medications ... Read More
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4 thanks
A 32-year-old member asked:
Dr. Coyle Connolly
28 years experience Dermatology
Change : Any changing pigmented mole or freckle should be examined by a dermatologist for the possibility of skin cancer.
A 42-year-old member asked:
Dr. Gurmukh Singh
48 years experience Pathology
Need to examine: It is not feasible to provide a meaningful opinion without additional history, physical examination and may be some tests. It would be prudent to see ... Read More
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1 thank
A 37-year-old female asked:
Dr. Ed Friedlander
43 years experience Pathology
No: When it is of fairly abrupt on set and striking severe, it would be wise to be checked for hiv.
A 19-year-old male asked:
Dr. Stan Nabrinsky
36 years experience Hematology and Oncology
Likely infection: Most likely this is infection, needs immediate attention and antibiotics---make your friend to see doctor today!
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3 thanks

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