Patient No
Age(years)/ Sex
Location
Clinical differential diagnosis
Histopathological differential diagnosis
Underlying condition
Treatment
First author reference number
Case 1
73/female
Left thumb nail
Infection
Invasive carcinoma with onycholemmal features.
Diabetes and hypertension History of working in farm/ field
Distal digital amputation
Rashid (7)
Case 2 45/female Great toenail Subungual melanoma Subungual onycholemmal cyst Nail trauma in childhood Secondary intention with moist wound treatment Lydrup (3)
Case 3 23/female Right great toenail Subungual malignant melanoma Subungual onycholemmal cyst 5-year pigmentation of nail with no clear underlying condition Secondary intention Busquets (2)
Case 4 70/male Little finger of the right hand SCC of the nail bed Onycholemmal carcinoma Not mentioned Resection of tumor and diarticulation of distal phalanx Inaoki (8)
Case 5
72/female
Left thumb nail
Bowen’s disease SCC Proliferating onycholemmal tumor Wart/subungual exostosis
Onycholemmal horn
None
Surgical resection
Rodriguez (9)
Case 6 69/male Nail bed of fifth right finger Not mentioned Malignant proliferating onycholemmal cyst None Amputation and disarticulation of involved phalanx Alessi (6)
Case 7
77/male
left second finger
SCC Metastatice carcinoma BCC
Primary onycholemmal carcinoma
stage-4 non-small cell lung cancer/4-year history of slow-growing mass on left second finger
Involved nail amputation
Han (10)
Case 8 73/female Right great toenail Onychomycocis Trauma / Psoriasis/ Lichen planus Calcified subungual epidermoid inclusion 7-year thickening of nail bed Nail plate avulsion and partial normalization of nail apparatus Telang (1)