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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?

January 2024

23 records in this category

  1. F, 45 , Widespread scaly erythematous plaques
    Contributor: Dr. Mona Abdel-Halim
    • 3 comments
    • 283 views
  2. 58 year old female with lesion on right thigh.
    Contributor: Uma Sundram
    • 4 comments
    • 184 views
  3. 36 year-old female with anal lesion.
    Contributor: Dr. Hafeez Diwan
    • 6 comments
    • 229 views
  4. 93-year-old female with right shin punch biopsy 4 mm. Pink papule 9 m. 1cm x 1 cm Dotted vessels + scale. ?Bowens.<br /> Exclude SCC.
    Contributor: Iskander H. Chaudhry
    • 3 comments
    • 163 views
  5. 94-year-old female with 4mm Punch biopsy left cheek. 2 year history of non-healing ulcer on the left cheek. Photos on patient's mobile.
    Contributor: Iskander H. Chaudhry
    • 6 comments
    • 180 views
  6. M, 9 Nodule on the right arm
    Contributor: Dr. Mona Abdel-Halim
    • 6 comments
    • 188 views
  7. 45 year old female with no relevant prior history and 2 month history of unexplained weight loss and bone pain.
    Contributor: Uma Sundram
    • 5 comments
    • 154 views
  8. 72 year-old female with left anterior thigh lesion.<br />
    Contributor: Dr. Hafeez Diwan
    • 6 comments
    • 136 views
  9. 79-year-old female with left cheek excision. Variegated brown slightly papular lesion.
    Contributor: Iskander H. Chaudhry
    • 4 comments
    • 119 views
  10. 66-year-old male with 4mm punch biopsy right chin ?BCC ?SCC ?AFX ?AMM ?Viral wart.
    Contributor: Iskander H. Chaudhry
    • 5 comments
    • 148 views
  11. F, 11, lesion on the left lateral brow. DDx: Nevus, JXG, Calcinosis cutis, shave biopsy
    Contributor: Dr. Mona Abdel-Halim
    • 6 comments
    • 137 views
  12. A 23-year old gentleman with a reported long history of an asymptomatic persistent plaque that began on his left medial ankle after a traumatic injury to this area. One year later, he developed larger plaques on his right thigh and left hip with the reported history of positive culture for mycobacterium gordonae, the clinical diagnosis was a granulomatous dermatitis with possible infectious etiology<br /> <br /> Contributor: Dr. Phyu P. Aung
    Contributor: Admin_Dermpath
    • 2 comments
    • 123 views
  13. 35 year-old male with left facial lesion.
    Contributor: Dr. Hafeez Diwan
    • 3 comments
    • 103 views
  14. 62yo Caucasian woman on a topical alkylating agent, Mechlorethamine gel presented with worsening ulcerating and vesicular eruption involving bilateral distal lower extremities.
    Contributor: Shashi Baksh
    • 4 comments
    • 125 views
  15. 77-year-old female with right lower leg punch biopsy (to contain rim of lesion).
    Contributor: Iskander H. Chaudhry
    • 3 comments
    • 93 views
  16. 70-year-old female with multiple tender papules and nodules on upper right back of long durtaion
    Contributor: Dr. Mona Abdel-Halim
    • 2 comments
    • 120 views
  17. 71-year-old white gentleman (Vietnam Veteran) with a history of 2 skin-colored plaques forming on his left forehead and behind ear. Clinical diagnosis was insect/arthropod bite reaction. The patient stated that he used to have similar lesions in the past, which appeared and disappeared spontaneously, but plaques in the left forehead and neck did not disappear.<br /> <br /> Contributor: Dr. Phyu P. Aung
    Contributor: Admin_Dermpath
    • 2 comments
    • 89 views
  18. 59 year-old male with anal lesion
    Contributor: Dr. Hafeez Diwan
    • 3 comments
    • 96 views
  19. 65-year-old man, 3-year history of an enlarging lesion o the chest. No lymphadenopathy. No hepatosplenomegaly. Blood Count - Lymphocytosis - 22.9. Bone marrow biopsy - Nodular infiltrate of small lymphocytes (CD20+; CD23+; CD5+).<br /> Skin biopsy.
    Contributor: Joaninha Costa Rosa
    • 3 comments
    • 162 views
  20. 73-year-old male with Right temple incision with 5mm punch biopsy. Bleeding nodule started life as flat brown mark.
    Contributor: Iskander H. Chaudhry
    • 4 comments
    • 138 views
  21. 45-year-old female with swollen vulva and fissured ulcers in the inguinal and gluteal folds
    Contributor: Dr. Mona Abdel-Halim
    • 5 comments
    • 181 views
  22. 35 year old female with right nipple lesion.
    Contributor: Uma Sundram
    • 2 comments
    • 90 views
  23. A 51 year old man has multiple papules, nodules and plaques on face, neck, chest and back. Ear lobe infiltration, clinical d/d: Jessner’s lymphocytic infiltrate; Sarcoidosis; Lepromatous leprosy; Lymphocytoma cutis.<br /> <br /> Contributor: Dr. Meenakshi Batrani
    Contributor: Admin_Dermpath
    • 3 comments
    • 130 views
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