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In this section we have spot diagnoses posted on a daily basis since June 2010, now over 1700! You can review the archived cases and read the suggested diagnoses by users and the final comment by Dr Uma Sundram, the Editor-in-Chief and main spot diagnosis host. Case are uploaded each week day by 10 a.m. UK time with the correct diagnosis will generally be posted at 8 p.m. UK time. Why not view the most recent spot diagnosis and proffer a diagnosis?

May 2019

23 records in this category

  1. 76 year-old male with pedunculated lesion on abdomen. Clinical impression: tag versus acrochordon. (Courtesy of Dr. Amanda Moyer)
    • 10 comments
    • 1,641 views
  2. Spot Diagnosis
    • 11 comments
    • 1,996 views
  3. F5. Melanonychia. ?Melanoma. Nail plate and nail bed biopsy
    • 9 comments
    • 1,494 views
  4. M57, nasal root
    • 6 comments
    • 1,300 views
  5. 2 year old male with erythematous plaques; biopsy from axilla. R/o urticaria pigmentosa
    • 11 comments
    • 1,530 views
  6. 59 year old female with elbow lesion (courtesy of Dr Amanda Moyer)
    • 6 comments
    • 1,195 views
  7. 68F with foot nodule. Previous history of thymoma
    • 5 comments
    • 1,095 views
  8. M15. Known ALL. Rash 6/12. Treated as scabies. Widespread papules all over including genital area
    • 6 comments
    • 1,455 views
  9. F13, right calf
    • 6 comments
    • 1,201 views
  10. 51 year old female with lesion on left knee. Image 4=MITF; Image 5=p16; Image 6=Ki67
    • 4 comments
    • 1,109 views
  11. 59 year old female with left second toe lesion. (Courtesy of Dr. Amanda Moyer)
    • 4 comments
    • 1,111 views
  12. 28y F, painful nodule
    • 6 comments
    • 1,241 views
  13. M85. Lower leg. Keratotic nodule. r/o SCC
    • 9 comments
    • 1,690 views
  14. 68, scrotum
    • 6 comments
    • 1,221 views
  15. 63 year old male with lesion on finger
    • 10 comments
    • 1,498 views
  16. 77 year-old female with a lesion on the tragus. (Courtesy of Dr. Amanda Moyer)
    • 5 comments
    • 1,174 views
  17. M47. Biopsy right cheek
    • 10 comments
    • 1,593 views
  18. F80. Lower lid. ?Sebaceous cyst, ?Naevus, ?Seborrhoeic keratosis
    • 12 comments
    • 2,008 views
  19. F68, right leg
    • 5 comments
    • 1,207 views
  20. 66 year old female with new onset purpuric rash on upper thighs, fading over a day. Now with new purpuric rash on bilateral upper arms; also involving palms. Perivascular IgA is positive. What is your differential diagnosis?
    • 7 comments
    • 1,267 views
  21. 50 year-old HIV positive male with failure to thrive for 3 months. He has a diffuse desquamating rash and edema
    • 8 comments
    • 1,441 views
  22. F48 biopsy left cheek. ?Granulomatous ?Cause
    • 8 comments
    • 982 views
  23. F60. Bridge of nose. 1 year. Bleeds. ?fibrous papule, r/o BCC
    • 8 comments
    • 1,790 views
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