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Dermatologic Differential Diagnosis.pdf. - Famona Site

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Dissecting cellulitis of the scalp (perifolliculitis capitis abscedens<br />

et suffodiens) Cutis 67:37–40, 2001; Minn Med 34:319–325,<br />

1951; AD 23:503–518, 1931<br />

Diverticulitis of sigmoid colon Ghatan p.33, 2002, Second<br />

Edition<br />

Esophago-pleuro-cutaneous fistula Jpn J Surg 14:139–142,<br />

1984<br />

Hidradenitis suppurativa Derm Surg 26:638–643, 2000; BJD<br />

141:231–239, 1999; retroauricular sinus Ghatan p.34,<br />

2002,Second Edition<br />

Peristomal fistulae and ulcers Ann Surg 197:179–182, 1982<br />

Peristomal hidradenitis suppurativa J Wound Ostomy<br />

Continence Nurs 23:171–173, 1996<br />

Pseudofolliculitis barbae<br />

Pyoderma fistulans sinifica (fox den disease) Clin Inf Dis<br />

21:162–170, 1995<br />

Pyodermia chronica glutealis J Dermatol 25:242–245, 1998<br />

SAPHO syndrome<br />

METABOLIC DISORDERS<br />

Calcinosis cutis<br />

Pancreatic cutaneous fistulas Am J Surg 155:36–42, 1988<br />

NEOPLASTIC DISORDERS<br />

Adenocarcinoma of the colon Ghatan p.34, 2002, Second<br />

Edition<br />

Nevus comedonicus AD 116:1048–1050, 1980<br />

Pilonidal cyst and sinus Surg Clin North Am 74:1309–1315,<br />

1994<br />

Sacro-coccygeal chordoma – mimicking pilonidal sinus J R Coll<br />

Surg Edinb 45:254–255, 2000<br />

Squamous cell carcinoma Am J Orthop 28:253–256, 1999;<br />

anal squamous cell carcinoma in situ – multiple fistulae<br />

J Clin Inf Dis 21:603–607, 1995; Am J Gastroenterol<br />

86:1829–1832, 1991<br />

Suppurative keloidosis JAAD 15:1090–1092, 1986<br />

Verrucous carcinoma (epithelioma cuniculatum) AD<br />

136:547–548, 550–551, 2000; Cancer 49:2395–2403, 1982<br />

PRIMARY CUTANEOUS DISEASES<br />

Acne conglobata Ped Derm 17:123–125, 2000; familial – plaque<br />

with sinus tracts JAAD 14:207–214, 1986<br />

Acne keloidalis nuchae JAAD 39:661, 1998<br />

Acne rosacea Hautarzt 46:417–420, 1995<br />

Pyoderma faciale AD 128:1611–1617, 1992<br />

SYNDROMES<br />

Branchio-oto-renal syndrome – pre-auricular sinus tract or cyst,<br />

abnormal pinna, branchial cleft fistulae and/or cyst; autosomal<br />

dominant, chromosome 8q Genomics 14:841–844, 1992; Clin<br />

Genet 9:23–34, 1976<br />

TRAUMA<br />

Pressure ulcer Clin Geriatr Med 13:455–481, 1997<br />

SPINAL DYSRAPHISM,<br />

CUTANEOUS STIGMATA<br />

AD 140:1109–1115, 2004; Textbook of Neonatal<br />

Dermatology, p.123, 2001; JAAD 31:892–896, 1994;<br />

AD 118:643–648, 1982<br />

Depressed lesions<br />

Aplasia cutis congenita (denuded skin)<br />

Dermal sinus<br />

Deviated superior gluteal crease<br />

Dimple (dermal pit) – large, greater than 2.5-cm from anal<br />

verge<br />

Dimple – small; less than 2.5-cm from anal verge; low index<br />

of suspicion<br />

Scar<br />

Sinus tract (with or without dermoid cyst)<br />

Dermal lesions<br />

Congenital scar<br />

Connective tissue nevus<br />

Hamartoma, unclassifiable<br />

Hypertrophic skin<br />

Neurofibroma<br />

Dyschromic lesions<br />

Hyperpigmentation – low index of suspicion<br />

Hypopigmentation or depigmentation<br />

Hairy lesions<br />

Hypertrichosis (faun tail nevus)<br />

Neoplasms (benign or malignant)<br />

Ependymoma<br />

Epidermal nevus AD 118:643–648, 1982<br />

Hamartoma, unclassified<br />

Lipoma, sacral<br />

Melanocytic nevi – low index of suspicion<br />

Neurofibroma<br />

Teratoma – low index of suspicion<br />

Polypoid lesions<br />

Acrochordon<br />

Pseudotail<br />

True tail (human tail)<br />

Subcutaneous nodules<br />

Dermoid cyst or sinus<br />

Lipoma<br />

Neural tissue – includes ependymoma, lipomeningocoele,<br />

lipomyelomeningocoele, occult meningocoele,<br />

neurofibroma<br />

Vascular lesions<br />

Port wine stain – low index of suspicion<br />

Hemangioma<br />

Lipoma with overlying port wine stain AD 140:1109–1115,<br />

2004<br />

Lumbar twin nevus – combined telangiectasia and nevus<br />

anemicus Ped Derm 21:664–666, 2004<br />

Telangiectasia – low index of suspicion<br />

Types of spinal dysraphism<br />

Dermal sinus tract<br />

Diastemetamyelia<br />

Filum terminale with tethered conus<br />

Hydrosyringomyelia<br />

Lipomyelomeningocoele<br />

Myelomeningocoele<br />

Neurofibroma<br />

SPLINTER HEMORRHAGES<br />

JAAD 50:289–292, 2004<br />

Anti-phospholipid antibody syndrome<br />

Arthritis<br />

SPLINTER HEMORRHAGES 625

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