research Histologic features of alopecia areata other than peribulbar lymphocytic infiltrates 53 citations , September 2011 Other common signs, not just the well-known immune cells around hair bulbs, are important for diagnosing hair loss from alopecia areata.
research Distinguishing diffuse alopecia areata (AA) from pattern hair loss (PHL) using CD3+ T cells 19 citations , February 2016 in “Journal of The American Academy of Dermatology” CD3+ T-cell presence is a reliable marker to tell apart alopecia areata from pattern hair loss.
research A comparative study of histopathologic features in alopecia areata and pattern hair loss January 2023 in “Journal of Cutaneous Pathology” The study found certain scalp biopsy features can help tell apart alopecia areata from pattern hair loss even when typical immune cells are not seen.
research Dermpath Quiz: Which alopecia does the patient have? January 2016 in “Indian dermatology online journal” The patient has frontal fibrosing alopecia (FFA).
research C003 Histopathology of the alopecias September 1997 in “Journal of The European Academy of Dermatology and Venereology” Examining scalp tissue under a microscope helps diagnose and understand hair loss diseases.