. Author manuscript; available in PMC: 2013 Feb 1.

Published in final edited form as: J Invest Dermatol. 2012 Apr 5;132(8):2005–2009. doi: 10.1038/jid.2012.98

Table 5.

Characteristics of False Cases of Nonmelanoma Skin Cancer (NMSC) Identified by either Clinic Log or Electronic HistoPathology (EHP) information, 2007-2008.

Reason	Unconfirmed cases
Reason	EPR (N=15)	Clinic Log (N=16)
Missing information (Omission or abstractor error possible)	5	0
Basal cell or Squamous cell carcinoma^*	2	11
Rare cutaneous carcinomas not included in electronic search (e.g. “sebaceous carcinoma”, “Desmoplastic epithelial tumor”)	0	2
Suggestion or inconclusive description of cutaneous malignancy (e.g. “basaloid epitheloid islands”, “suggestive of,”etc.)	1	2
Exclusion of cutaneous malignancy (e.g. “Scar, negative for”, “Negative for”, “No residual,” etc.)	6	0
Different physical clinical location that clinic log site itself ^*	1	1

NMSC, Nonmelanoma skin cancer; EPR, electronic histopathology record.

Study Population: large integrated health system, single clinical site and Co-Path3 electronic histopathology record data, southeastern MI USA.

Patient was flagged as present in both columns due to nonmatching date of service differences (N=2; of which 1 had different clinic site and 1 was a squamous cell carcinoma)