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| ID | Type | Description | Link |
|---|---|---|---|
| 553/2553(EC3) | Registry Identifier | 553/2553(EC3) |
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Hair disorders, expecialy scarring alopecia were diagnosed by scalp biopsy specimens in horizontal and vertical sections.(1-4) Data on hair density in Thais are lacking, although in Asians have more fewer hairs than whites.(5-7)Howevery, previous study from East Asian just had only one study and the data was more differently from West Asian and whites. Then this study was performed to evaluate hair density in Thais, and compared to previous study.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Scalp biopsy | Subjects are on scadule list for hair transplantation in Siriraj hospital. Scalp biopsy with punch biopsy No.4 Scalp biopsy by punch biopsy No.4 at occipital area was done in subjects who have hair transplantaion. |
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Inclusion Criteria:
Exclusion Criteria:
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Thai patients who have alopecia and on scadule for hair transplantation
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| Name | Affiliation | Role |
|---|---|---|
| Rattapon Thuangtong, MD | Department of Dermatology, Siriraj hospital, Faculty of Medicine, Mahidol University, Thailand | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Siriraj hospital | Bangkok | Bangkok | 10700 | Thailand |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 7868715 | Background | Elston DM, McCollough ML, Angeloni VL. Vertical and transverse sections of alopecia biopsy specimens: combining the two to maximize diagnostic yield. J Am Acad Dermatol. 1995 Mar;32(3):454-7. doi: 10.1016/0190-9622(95)90068-3. | |
| 16021122 | Background | Elston DM, Ferringer T, Dalton S, Fillman E, Tyler W. A comparison of vertical versus transverse sections in the evaluation of alopecia biopsy specimens. J Am Acad Dermatol. 2005 Aug;53(2):267-72. doi: 10.1016/j.jaad.2005.03.007. |
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| ID | Term |
|---|---|
| D000505 | Alopecia |
| ID | Term |
|---|---|
| D007039 | Hypotrichosis |
| D006201 | Hair Diseases |
| D012871 | Skin Diseases |
| D017437 | Skin and Connective Tissue Diseases |
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scalp biopsy specimen
| 17310014 | Background | Garcia C, Poletti E. Scalp biopsy specimens: transverse vs vertical sections. Arch Dermatol. 2007 Feb;143(2):268. doi: 10.1001/archderm.143.2.268-a. No abstract available. |
| 16121061 | Background | Elston DM. Vertical vs. transverse sections: both are valuable in the evaluation of alopecia. Am J Dermatopathol. 2005 Aug;27(4):353-6. doi: 10.1097/01.dad.0000164602.10908.92. No abstract available. |
| 10376692 | Background | Sperling LC. Hair density in African Americans. Arch Dermatol. 1999 Jun;135(6):656-8. doi: 10.1001/archderm.135.6.656. |
| 11807433 | Background | Lee HJ, Ha SJ, Lee JH, Kim JW, Kim HO, Whiting DA. Hair counts from scalp biopsy specimens in Asians. J Am Acad Dermatol. 2002 Feb;46(2):218-21. doi: 10.1067/mjd.2002.119558. |
| 19519605 | Background | Aslani FS, Dastgheib L, Banihashemi BM. Hair counts in scalp biopsy of males and females with androgenetic alopecia compared with normal subjects. J Cutan Pathol. 2009 Jul;36(7):734-9. doi: 10.1111/j.1600-0560.2008.01149.x. |
| D020763 |
| Pathological Conditions, Anatomical |
| D013568 | Pathological Conditions, Signs and Symptoms |