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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. 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
    • 2,917 views
  2. 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
    • 1,411 views
  3. RAC7770<br /> <br /> M68. 2 year history of lesion which bleeds and scabs ?BCC c/o Dr Saleem Taibjee
    • 10 comments
    • 1,790 views
  4. middle aged woman, scalp biopsy. Courtesy of Dr. John Cai
    • 4 comments
    • 1,458 views
  5. 64 year old woman with solitary yellowish plaque on left lower leg.
    • 11 comments
    • 1,936 views
  6. 53 years old lady, ?dysplastic naevus, ?BCC ?MM
    • 6 comments
    • 1,495 views
  7. 55 year old Male. Left cheek 4mm punch biopsy. Non-healing ulcer following insect bite. Southern Spain last October.
    • 8 comments
    • 1,751 views
  8. RAC7776 Clinical Details<br /> <br /> F40. Vulva. Cyst wall.
    • 8 comments
    • 1,742 views
  9. 69 yo penis
    • 4 comments
    • 1,398 views
  10. 55 year old woman with long standing lesion on back.
    • 9 comments
    • 2,031 views
  11. HISTORY<br /> 51 year-old male with left foot lesion. Clinical impression: granulation tissue, rule out verrucous carcinoma.<br />
    • 4 comments
    • 1,335 views
  12. 40 year old, male, C&C nose ?IDN ?Infection
    • 4 comments
    • 1,341 views
  13. F30. Vulvar plaques with exophytic nodule. History of systematised non-epidermolytic epidermal naevus since childhood.
    • 7 comments
    • 1,728 views
  14. 68 yo Female back
    • 3 comments
    • 1,332 views
  15. 75 year old man with numerous co-morbidities and new large lesion on cheek.
    • 7 comments
    • 1,661 views
  16. 25 year-old female with widespread papules. This biopsy is from the right chest.
    • 5 comments
    • 1,427 views
  17. 70 year old male - papular eruption on back
    • 6 comments
    • 1,517 views
  18. F58. Right forearm. spindle cells with atypia , presence of aggregates and intratumoral lymphoplasma cells plus diffuse positivity of S-100 is reassuring.
    • 6 comments
    • 1,993 views
  19. 58 yo female right cheek
    • 4 comments
    • 1,499 views
  20. M35 Persistent rash on legs / arms ?lichen planus ?psoriasis
    • 7 comments
    • 1,697 views
  21. 25 year old female with lesion near umbilicus.
    • 7 comments
    • 1,345 views
  22. 27 year-old HIV-positive male with widespread lesions all over his body. This biopsy is from an unspecified site.
    • 7 comments
    • 1,220 views
  23. Large erosive painful plaque of vulva, perineum, pubis, inguinal folds. Posted with kind permission of Dr Benedicte Cavelier-Balloy.
    • 10 comments
    • 1,974 views
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