Dr Headington and the Horizontally Sectioned Punch Biopsy Specimen — Donovan Hair Clinic

Horizontal vs Vertical Sections: What Modified in 1984?

Dr Terry Headington modified the best way the hair loss neighborhood thinks about processing scalp biopsies. His landmark paper in 1984 inspired the sphere to start out interested by the advantages of processing biopsies horizontally versus vertically. Horizontal sectioning (additionally referred to as transverse sectioning) has change into a mainstay of dermatopathology alopecia assessments in lots of elements of the world.

Each vertical and horizontal sectioning have benefits and drawbacks however horizontal sections provide distinctive benefits with respect to evaluation of hair counts, evaluation of sebaceous gland atrophy and measurement, terminal to vellus ratio, anagen to telogen ratios, catagen and telogen proportions …. and extra.

REFERENCE

Headington JT. Transverse microscopic anatomy of the human scalp. A foundation for a morphometric strategy to problems of the hair follicle. Arch Dermatol. 1984;120(4): 449-456.