Table 1

Case detail

Case

Part

Slides

Specimen

High Level Diagnosis


31

1

1

Bladder Biopsy

Urothelial Carcinoma, High Grade

32

33

1

4

Donor Bladder Bx

Chronic Cystitis, Moderate

34

35

1

2

Vasectomy

Complete Excision, Bilateral

36

1

2

Vasectomy

Complete Excision, Bilateral

37

1

3

Bladder Biopsy

Urothelial Carcinoma, High Grade

38

1

3

Bladder Biopsy

Chronic Cystitis & Granulomatous Inflammation

2

3

Bladder Biopsy

Chronic Cystitis & Granulomatous Inflammation

39

1

3

Bladder Biopsy

Urothelial Carcinoma, High Grade

40

1

3

Bladder Biopsy

Urothelial Carcinoma, High Grade

41

42

1

9

Nephrectomy

Renal Cell Carcinoma

43

1

2

Bladder Biopsy

Chronic Cystitis & Granulomatous Inflammation

44

1

12

TURP

Benign Prostatic Tissue

45

1

9

TURB

Urothelial Carcinoma, High Grade

46

1

4

Skin Biopsy

Dermal Nevus

47

1

2

Skin Biopsy

Basal Cell Carcinoma

48

1

2

Skin Biopsy

Mycosis Fungoides

49

1

2

Skin Biopsy

Compound Nevus

50

1

3

Skin Biopsy

Basal Cell Carcinoma

2

3

Skin Biopsy

Compound Nevus

51

1

1

Skin Biopsy

Neurofibroma

52

1

2

Skin Biopsy

Inflamed Seborrheic Keratosis

53

1

1

Skin Biopsy

Malignant Melanoma

54

1

4

Skin Biopsy

Dysplastic Nevus

55

1

4

Skin Biopsy

Compound Nevus

2

4

Skin Biopsy

Nevus of Acral Skin

56

1

9

Prostate Biopsy

Benign Prostatic Tissue

2

9

Prostate Biopsy

Benign Prostatic Tissue

57

1

6

Prostate Biopsy

Prostatic Adenocarcinoma, Gleason 7

2

6

Prostate Biopsy

High Grade PIN

58

1

12

Prostate Biopsy

Prostatic Adenocarcinoma, Gleason 6

2

12

Prostate Biopsy

Prostatic Adenocarcinoma, Gleason 6

25

31

142


Description: Twenty-five genitourinary or dermatology cases (representing 31 individual parts) were selected randomly by the LIS. Cases 32, 34 and 41 were vasectomy specimens that were removed before the study began and replaced by more challenging cases (chosen at random). The 142 slides represented those originally cut on the case and did not include recuts and special stains ordered by the original sign-out pathologist. As part of their workup, the study pathologists ordered 68 recuts and special stains, making the total number of slides imaged in the study 210. "High Level Diagnosis" is the summary/abstraction from the first line from the original, sign–out diagnosis and can be used to judge the nature of the cases studied.

TURP = Transurethral resection of prostate

TURB = Transurethral resection of bladder tumor

Gilbertson et al. BMC Clinical Pathology 2006 6:4   doi:10.1186/1472-6890-6-4

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