References: Hair growth and hair loss
Aesthetic Plast Surg. 1989 Fall;13(4):217-37.
The forehead lift: techniques to avoid complications and produce optimal results.
Connell BF, Lambros VS, Neurohr GH.
This discussion of forehead lifting, based on modifications of Vinas, Caviglia, and Cortinas, shares the authors' methods of patient evaluation, diagnostic details, architectural planning, and surgical concepts for forehead rhytidectomy along with correction of malpositioned and ptosis of the eyebrows and also glabellar frown problems. In addition, the nasal deformities associated with the sagging of the skin and subcutaneous tissue onto the upper fourth of the nose may make the nose look too short for a pleasing balance of the face and the upper fourth may appear disagreeably wide. A contribution to this excessive width is made by a sometimes thick and wide procerus muscle along with bilateral thick depressor supercilii muscles. When this nasal deformity is corrected, glabellar frown problems are also corrected. Attention to the details of the above-mentioned factors results in very long-lasting, sometimes permanent, and almost complication-free results that please the surgeon and the patient. Complications such as adherence of the dermis to the underlying pericranium, lack of motion in a portion of or the entire forehead, hyperactivity around areas of immobility, muscle irregularities, and also surgically produced depressions which require grafting, skin sloughing, permanent nerve injury, persistent sensory nerve loss, and short-term improvement have been avoided by paying attention to diagnosis, surgical planning, and technique, and postoperative care. Most patients can return to work in four or five days with minimal discoloration and swelling if they have not had aspirin or vitamin E one month before surgery, and there is hemostasis and the use of drains when indicated. Minimizing detection of the surgical incisions is accomplished by detailed preoperative planning of their location, architectural design development and drawing at the time of surgery, special surgical techniques, and excision of the skin or scalp. For patients with male pattern baldness use of specially designed V-Y advancement flaps with the browlift procedure improve the appearance of the hair's thickness and distribution.
online pharmacy ref. source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=2596366&dopt=Abstract
Clin Exp Dermatol. 1989 Mar;14(2):154-7.
Induction of hair growth in alopecia totalis with diphencyprone sensitization.
Monk B.
The therapeutic use of the induction of an allergic contact sensitivity to diphencyprone in alopecia areata has been studied. Fourteen subjects had alopecia totalis and four had extensive and long-standing alopecia areata. Topical diphencyprone was capable of inducing an allergic contact sensitivity in 16 subjects (89%), and 13 of these agreed to proceed to repeated intermittent applications to the left side of the scalp, the right side acting as an untreated control; six subjects achieved cosmetically useful regrowth of normally pigmented terminal hair. No clinical features seemed to distinguish those who showed a favourable response from those who did not.
online pharmacy ref. source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=2598490&dopt=Abstract
merck.com
The predominant form of 5alpha-reductase (5aR) in human scalp is 5aR1. None the less, clinical studies have shown that finasteride, a selective inhibitor of 5aR2, decreases scalp dihydrotestosterone and promotes hair growth in men with androgenetic alopecia. Immunolocalization studies were thus carried out to examine 5aR isozyme distribution within scalp and, in particular, to determine whether 5aR2 might be associated with hair follicles. 5aR2 was localized using both a rabbit polyclonal and a mouse monoclonal antibody. 5aR1 was detected with a mouse monoclonal antibody. The specificity of these reagents was demonstrated both by immunofluorescence and Western blot analyses of COS cells overexpressing human 5aR1 or 5aR2. When cryosections of scalp from men with androgenetic alopecia were stained with antibody against 5aR2, using immunoperoxidase avidin-biotin complex methodology, immunostaining was observed in the inner layer of the outer root sheath and, in more proximal regions of the follicle, in the inner root sheath. Staining was also prominent in the infundibular region of the follicle, with less intense staining extending throughout the granular layer of the epidermis. Some staining was also seen in sebaceous ducts. Similar results were obtained with both the polyclonal and monoclonal 5aR2 antibodies. In contrast, in scalp cryosections stained with antibody to 5aR1, no immunostaining was observed within hair follicles. Intense staining for the type 1 isozyme was, however, detected within sebaceous glands. Our immunolocalization data suggest that the results seen in clinical trials of men with male pattern hair loss treated with finasteride may be due, at least in part, to local inhibition of 5aR2 within the hair follicle.
online pharmacy ref. source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=10583052&dopt=Abstract
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