RT Book, Section A1 Bae, Edward A1 Cindy Bae, Yoon-Soo A1 Sarabi, Khashayar A1 Khachemoune, Amor A2 Usatine, Richard P. A2 Smith, Mindy A. A2 Mayeaux, Jr., E.J. A2 Chumley, Heidi S. SR Print(0) ID 1164361920 T1 Sarcoidosis T2 The Color Atlas and Synopsis of Family Medicine, 3e YR 2019 FD 2019 PB McGraw-Hill Education PP New York, NY SN 9781259862045 LK dermatology.mhmedical.com/content.aspx?aid=1164361920 RD 2024/04/23 AB A 42-year-old man presents with "multiple bumps" that had been growing on his scalp, the back of the neck, and on preexisting scars (Figure 184-1). These lesions started developing slowly over a period of 1 year. The differential diagnosis of these lesions included cutaneous sarcoidosis, acne keloidalis nuchae, and pseudofolliculitis barbae. A punch biopsy was performed and the diagnosis of sarcoidosis was made.