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In this section we have spot diagnoses posted on a daily basis since June 2010, now over 4000! You can review the archived cases and read the suggested diagnoses by users and the final comment by the contributors.
Case are uploaded each week day by 10 am UK time with the correct diagnosis will generally be posted at 8 pm UK time. Why not view the most recent spot diagnosis and proffer a diagnosis?

April 2021

22 records in this category

  1. 52M – punch biopsy left elbow: ulceration on legs and scaly nodules on elbows
    • 13 comments
    • 1,098 views
  2. F30. Anterior hairline. Previously biopsied, thought to be viral wart, recurred. Immunosuppressed SLE. ?SCC/viral wart.
    • 3 comments
    • 1,037 views
  3. F 74,Scaly erythematous plaque with peripheral pigmentation on the back
    • 7 comments
    • 892 views
  4. 21 year old female, skin tag on left labia.
    • 6 comments
    • 951 views
  5. 41 year-old male with painful hemorrhoids (images courtesy of Dr. Sarah Al-Awami).
    • 4 comments
    • 760 views
  6. 83M pigmented lesion upper back
    • 8 comments
    • 797 views
  7. F60. Right lateral thigh. 1 year history of a darkly pigmented cutaneous nodule. ?MM, ?Dermatofibroma.<br /> H&Ex8; IHCx5 at 6pm please
    • 5 comments
    • 707 views
  8. F 77, Itchy papules on the right shin of long duration
    • 4 comments
    • 618 views
  9. 50 year old female with soft tissue tumor on right foot, 4 th digit.
    • 7 comments
    • 800 views
  10. 21 year-old male with right arm biopsy.
    • 5 comments
    • 790 views
  11. 5y.o. girl, 1 year history of itchy papules on erythematous urticated base with vesicles
    • 8 comments
    • 749 views
  12. M75. h/o Ocular melanoma 2016. Developed nasal cavity mass.
    • 8 comments
    • 867 views
  13. M 53 lesion in the nose.
    • 7 comments
    • 687 views
  14. 83 year old male with sepsis and new acral lesions.
    • 4 comments
    • 615 views
  15. 57-year-old female with itchy hypertrophic linear plaques from lateral right ankle extending proximally up the leg for about 3 weeks..
    • 6 comments
    • 712 views
  16. Excision elderly man (site not stated)
    • 6 comments
    • 758 views
  17. Clinical details: F70. Eyelid. Cyst of Moll burst on removal.
    • 6 comments
    • 718 views
  18. 43M , Blisters, erosions and crusted lesions over the trunk and extremities as well as oral mucosal erosions
    • 5 comments
    • 735 views
  19. 30-year-old male with new purpuric lesions.
    • 3 comments
    • 741 views
  20. Left of vertex, PB. The whole lesion evacuated once punch biopsy undertaken. Enlarging nodule erythematous, non-scaly. Previous SCCs. Softy mushy bloody tissue.
    • 4 comments
    • 726 views
  21. 38F, itchy erythematous rash
    • 13 comments
    • 844 views
  22. F60. Sudden onset of widespread maculopapular eruption 2/52 after covid vaccine (Pfizer), with some areas presenting like purpura. Clinically Henoch Scholein purpura picture. ?Drug rash
    • 4 comments
    • 674 views
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