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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. 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
    • 3,344 views
  2. 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
    • 2,611 views
  3. 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
    • 2,845 views
  4. 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
    • 2,632 views
  5. Spot Diagnosis provided by Dr Richard Carr<br /><br />Additional Images to Follow at 6pm GMT
    • 14 comments
    • 2,867 views
  6. 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
    • 2,366 views
  7. 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
    • 2,591 views
  8. 27/F scalp ?seb cyst<br /><br />Case posted by Dr Arti Bakshi
    • 12 comments
    • 2,613 views
  9. 39 year-old male with eroded lesions in axilla and groin. This biopsy is from the axilla.<br /><br />Dr Hafeez Diwan
    • 9 comments
    • 2,731 views
  10. 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
    • 2,355 views
  11. 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
    • 2,427 views
  12. 64 year old woman with back dermal lesion. The stain in image 5 is sox 10.<br /><br />Dr Uma Sundram
    • 12 comments
    • 2,522 views
  13. 54 year-old male with biopsy labeled as right inguinal lymph node.<br /><br />Dr Hafeez Diwan
    • 8 comments
    • 2,507 views
  14. 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
    • 2,343 views
  15. ?Actinic keratosis<br /><br />Dr Richard Carr<br />
    • 8 comments
    • 2,844 views
  16. The patient is a 36 year old woman with a punch biopsy taken from the intermammary chest.<br /><br />Dr Mark Hurt
    • 10 comments
    • 3,261 views
  17. 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
    • 2,356 views
  18. 63 year-old female with forehead mass.<br /><br />Dr Hafeez Diwan
    • 6 comments
    • 2,335 views
  19. 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
    • 2,240 views
  20. M75. Cheek. Inflamed nodule. Seen by GP day before. ?BCC<br /><br />Dr Richard Carr
    • 7 comments
    • 2,606 views
  21. 66 year old female with tumour on scalp<br /><br />Iskander Chaudhry
    • 4 comments
    • 1,488 views
  22. Spot Diagnosis provided by Iskander Chaudhry
    • 2 comments
    • 2,100 views
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