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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?

July 2019

19 records in this category

  1. M55. Right calf. Excision of neurofibroma?<br />
    • 3 comments
    • 1,040 views
  2. 32 year old female with history of severe aphthous stomatitis, who presents with rash on arms
    • 8 comments
    • 1,195 views
  3. 19 Female cyst scalp
    • 7 comments
    • 1,205 views
  4. 68 year old male with lesion on left scrotum.
    • 8 comments
    • 1,348 views
  5. 50 year old male with scalp lesion. The cells are CK7+ GATA3+, and negative for CK20,<br /> TTF1, CDX2, and PSA.
    • 7 comments
    • 1,205 views
  6. 73 M Left forearm biopsy (excision) Pigmented <br /> lesion - recent change <br />
    • 5 comments
    • 1,072 views
  7. 53 female. Right upper arm incision biopsy. 6/12 scaly plaques trailing scale in some 1cm - 10cm diameter.<br /> <br /> Partial response to steroid. Unresponsive to anti-fungal (itraconazole).
    • 6 comments
    • 1,070 views
  8. .
    • 4 comments
    • 1,003 views
  9. 24 y old male, Thigh lesion. Previously excised tumor in the same topography, recurrence?<br />
    • 7 comments
    • 1,295 views
  10. 25 year old woman, post partum, with enlarging vulvar mass.<br />
    • 11 comments
    • 1,474 views
  11. 19 year old male with recent pneumonia with mucositis and limited cutaneous blistering. This biopsy is from the thorax.
    • 6 comments
    • 1,181 views
  12. Left shoulder - excision biopsy with 2mm margin - GP scraps intradermal naevus however no histology for this. Noticed a week ago.
    • 5 comments
    • 1,012 views
  13. M75. Eyebrow. Few weeks, painful lesion
    • 5 comments
    • 1,093 views
  14. 60 year old male with rash on his back. He has been admitted with his fourth episode of acute renal failure.
    • 5 comments
    • 970 views
  15. 60 year old woman with solitary, slowly enlarging pigmented vulvar lesion. R/o melanoma.
    • 5 comments
    • 983 views
  16. 57 female <br /> <br /> Lesion on left thigh for 2-1/2 years growing in size and new area at healing adjacent <br /> Clinically indurated plaque with no epidermal change
    • 9 comments
    • 1,265 views
  17. F45. 3 chronic erosive lesions on forearms. Underlying inflammation. History of ankylosing spondylitis on adalimumab. ?Sweets or EED. Patient concerned about Lyme disease. To r/o malignancy. Biopsy left tricep area across ulcer ?infection e.g. Staph. No response to topical sterioid. Name the IHC stain please.
    • 11 comments
    • 1,611 views
  18. 55 year old male with solitary linear eruption in left axilla with erosion. Otherwise healthy.
    • 5 comments
    • 985 views
  19. 13 year-old female with 18-20 month history of left forearm nodule, slowly increasing in size.
    • 8 comments
    • 1,166 views
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