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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?

May 2016

22 records in this category

  1. 66 year old female with tumour on scalp<br /><br />Iskander Chaudhry
    • 4 comments
    • 1,478 views
  2. Spot Diagnosis provided by Dr Richard Carr<br /><br />Additional Images to Follow at 6pm GMT
    • 14 comments
    • 2,858 views
  3. The patient is a 49 year old woman with a history of Raynaud's. A punch biopsy of brown, velvet-like plaques is taken from the right dorsal index MCP joint. Clinical Diagnosis: acanthosis nigricans vs post-inflammatory pigmentary changes vs lichenoid dermatitis.<br /><br />Dr Mark Hurt.
    • 12 comments
    • 3,332 views
  4. 60 year old woman with lesion on the cheek. First IHC image=polykeratin, second IHC image=EMA, third IHC image=p63.<br /><br />Dr Uma Sundram.
    • 9 comments
    • 2,602 views
  5. 6-day-old healthy full-term Hispanic girl presents with an ulcerated lesion on the left upper arm. It was present at birth as a “red dot� and began to crust on day of life 3. She was sent to the ER by the PCP who was concerned it could be HSV.<br /><br />Dr Hafeez Diwan
    • 10 comments
    • 2,836 views
  6. 45 year-old Hispanic male with HIV and a CD4 count of 2, with red macules/rash. He is suspected to have TB meningitis. This biopsy is from an unspecified site.<br /><br />Dr Hafeez Diwan
    • 10 comments
    • 2,621 views
  7. The patient is a 44 year old woman with an excision of a 1.5 x 1.9 cm pinkish-tan dermal nodule taken from the right lower back. <br /><br />Dr Mark Hurt.
    • 11 comments
    • 2,355 views
  8. 57 year old woman, history of multiple non melanoma skin cancers, with pigmented lesion on the left lower arm. No known prior biopsy.<br /><br />Dr Uma Sundram
    • 12 comments
    • 2,581 views
  9. 27/F scalp ?seb cyst<br /><br />Case posted by Dr Arti Bakshi
    • 12 comments
    • 2,602 views
  10. 39 year-old male with eroded lesions in axilla and groin. This biopsy is from the axilla.<br /><br />Dr Hafeez Diwan
    • 9 comments
    • 2,719 views
  11. Patient itchy and picked off pieces of skin placed in wet tissue and brought in for microscopic examination. ? lice/ticks.<br /><br />Dr Richard Carr<br />
    • 7 comments
    • 2,345 views
  12. The patient is a 76-year-old woman with a shave biopsy taken from the right nasal sidewall. <br /><br />Dr Mark Hurt.
    • 9 comments
    • 2,417 views
  13. 64 year old woman with back dermal lesion. The stain in image 5 is sox 10.<br /><br />Dr Uma Sundram
    • 12 comments
    • 2,512 views
  14. 54 year-old male with biopsy labeled as right inguinal lymph node.<br /><br />Dr Hafeez Diwan
    • 8 comments
    • 2,498 views
  15. 49-year-old Hispanic man presents with a 4-week history of non-healing ulcerations on the right lower leg. The patient previously complained of dyspnea, sore throat, dry cough, and arthralgias. A CT chest without contrast showed very mild scattered areas of ground-glass opacities with no specific distribution.<br /><br />Dr Hafeez Diwan
    • 8 comments
    • 2,334 views
  16. ?Actinic keratosis<br /><br />Dr Richard Carr<br />
    • 9 comments
    • 2,829 views
  17. The patient is a 36 year old woman with a punch biopsy taken from the intermammary chest.<br /><br />Dr Mark Hurt
    • 10 comments
    • 3,236 views
  18. 60 year old male who is status post arrhythmia, intubated and on antibiotics during his hospital stay. Now he has a one day history of intact firm 4-8 mm blisters on neck and right antecubital fossa.<br /><br />Dr Uma Sundram
    • 11 comments
    • 2,346 views
  19. 63 year-old female with forehead mass.<br /><br />Dr Hafeez Diwan
    • 6 comments
    • 2,327 views
  20. 72/M itchy targetoid widespread rash with skin peeling, oral lesions +, lesions developed shortly following Terbinafine therapy. On investigations, ANA positive (high titres), positive Anti-Ro and Anti- la.<br /><br />Dr Arti Bakshi
    • 9 comments
    • 2,231 views
  21. Spot Diagnosis provided by Iskander Chaudhry
    • 2 comments
    • 2,088 views
  22. M75. Cheek. Inflamed nodule. Seen by GP day before. ?BCC<br /><br />Dr Richard Carr
    • 7 comments
    • 2,589 views
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