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The disadvantage of the 1 mm punch is that the tissue obtained is almost impossible to see at times due to small size, and the 1.5 mm biopsy is preferred in most cases. The common punch size used to diagnose most inflammatory skin conditions is the 3.5 or 4 mm punch. [citation needed] [2]
If there is infection, treatment is generally by incision and drainage just off the midline. [1] [2] Shaving the area and laser hair removal may prevent recurrence. [1] [4] More extensive surgery may be required if the disease recurs. [1] Antibiotics are usually not needed. [2] Without treatment the condition may remain long term. [1]
Surgical excision of a sebaceous cyst is a simple procedure to completely remove the sac and its contents, [8] although it should be performed when inflammation is minimal. [9] A sebaceous cyst that has been surgically removed. Three general approaches are used - traditional wide excision, minimal excision, and punch biopsy excision. [10]
Follicular unit extraction (FUE; also follicular unit excision or follicular transfer, FT) Performed under local anaesthetic, FUE procedure involves the harvesting of individual hair follicles from the donor site at the back of the head using a tiny 0.8 - 1mm punch which creates an incision around the top of the follicle and extracts them directly from the scalp.
Osteoma cutis can present clinically as a single, asymptomatic lesion or as many lesions, depending on the circumstances. [3] Their sizes vary from 0.1 to 5.0 cm. [4] These lesions might show up as miliary lesions, papules, plaques, or nodules. [3]
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[11] [12] The method of treatment varies depending on the physician's training. Most physicians perform the procedure under local anesthetic. Others prefer a more conservative approach. This involves the use of a small punch biopsy about one-fourth the diameter of the cyst. The punch biopsy is used to enter the cyst cavity.