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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?

March 2018

23 records in this category

  1. F58. Right forearm. spindle cells with atypia , presence of aggregates and intratumoral lymphoplasma cells plus diffuse positivity of S-100 is reassuring.
    • 6 comments
    • 2,708 views
  2. Large erosive painful plaque of vulva, perineum, pubis, inguinal folds. Posted with kind permission of Dr Benedicte Cavelier-Balloy.
    • 10 comments
    • 2,568 views
  3. 27 year-old HIV-positive male with widespread lesions all over his body. This biopsy is from an unspecified site.
    • 7 comments
    • 1,700 views
  4. 25 year old female with lesion near umbilicus.
    • 7 comments
    • 1,812 views
  5. M35 Persistent rash on legs / arms ?lichen planus ?psoriasis
    • 7 comments
    • 2,134 views
  6. 58 yo female right cheek
    • 4 comments
    • 1,912 views
  7. 70 year old male - papular eruption on back
    • 6 comments
    • 1,948 views
  8. 25 year-old female with widespread papules. This biopsy is from the right chest.
    • 5 comments
    • 1,884 views
  9. 75 year old man with numerous co-morbidities and new large lesion on cheek.
    • 7 comments
    • 2,177 views
  10. 68 yo Female back
    • 3 comments
    • 1,712 views
  11. F30. Vulvar plaques with exophytic nodule. History of systematised non-epidermolytic epidermal naevus since childhood.
    • 7 comments
    • 2,227 views
  12. 40 year old, male, C&C nose ?IDN ?Infection
    • 4 comments
    • 1,733 views
  13. HISTORY<br /> 51 year-old male with left foot lesion. Clinical impression: granulation tissue, rule out verrucous carcinoma.<br />
    • 4 comments
    • 1,690 views
  14. 55 year old woman with long standing lesion on back.
    • 9 comments
    • 2,569 views
  15. 69 yo penis
    • 4 comments
    • 1,842 views
  16. RAC7776 Clinical Details<br /> <br /> F40. Vulva. Cyst wall.
    • 8 comments
    • 2,257 views
  17. 55 year old Male. Left cheek 4mm punch biopsy. Non-healing ulcer following insect bite. Southern Spain last October.
    • 8 comments
    • 2,294 views
  18. 53 years old lady, ?dysplastic naevus, ?BCC ?MM
    • 6 comments
    • 1,968 views
  19. 64 year old woman with solitary yellowish plaque on left lower leg.
    • 11 comments
    • 2,517 views
  20. middle aged woman, scalp biopsy. Courtesy of Dr. John Cai
    • 4 comments
    • 1,857 views
  21. RAC7770<br /> <br /> M68. 2 year history of lesion which bleeds and scabs ?BCC c/o Dr Saleem Taibjee
    • 10 comments
    • 2,340 views
  22. RAC7813<br /> <br /> F50. Very odd looking skin lesion for five months, fluctuates in size, could <br /> <br /> it be infectious? DDx: Inflammatory lesion, ??atypical infection.
    • 3 comments
    • 1,805 views
  23. Clinical History: A 16-month-old male Caucasian patient was referred with an eight-month history of chronic incessant, intensely pruritic crops of pustules predominantly affecting the scalp area, the face and limbs. The child’s mother reported that the pustules occurred intermittently in crops and were aggravated by childhood viral illnesses. The child was not taking any regular medication and his family history was unremarkable. He had been prescribed numerous courses of oral antibiotics and topical steroids of varying potencies with little benefit.
    • 5 comments
    • 3,469 views
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