Putri, Heffi Anindya
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A Case of Longitudinal Melanonychia in A Child: Benign or Malignant? Putri, Heffi Anindya; Asri, Ennesta; Anum, Qaira
Journal of General - Procedural Dermatology & Venereology Indonesia Vol. 6, No. 2
Publisher : UI Scholars Hub

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Abstract

Background: Longitudinal melanonychia (LM) describes a longitudinal brown-to-black band of discoloration affecting a finger, thumb, or toenail. Discoloration of the nails can be a sign of benign or malignant nail disorders. Although nail melanoma rarely occurs in children, health practitioners should be aware of melanonychia. Dermoscopy and histopathology are helpful in the diagnosis. Case Illustration: A case of LM in a thirteen-year-old girl was reported with a complaint of brownish-black discoloration, sometimes painful, on her right thumb since 1 year ago. She had no history of trauma, nail damage, or bleeding tendency. Dermatological examination found a homogeneous brownish-black band on the right thumbnail. Dermoscopy revealed regular, homogeneous black linear pigmentation and pigment through the translucent cuticle and proximal nail fold (pseudo-Hutchinson’s sign). Punch biopsy was done on proximal nail fold reaching nail matrix. Histopathology revealed increased melanocytes, some nests of melanocytes in rete Malpighi, and no atypical cells. She was diagnosed with nail matrix nevus. Five months after the punch biopsy, the nail grew well without onychodystrophy. Discussion: Nail matrix nevus is a benign LM. Diagnosis is based on anamnesis, physical examination, dermoscopy, and histopathology. Dermoscopy of the nails is a useful, quick, non-invasive, and highly effective tool that may help differentiate benign or malign melanonychia. Conclusion: Histopathology is important to determine whether the pigmented lesion is benign or malignant.
Eksisi luas karsinoma sel basal pada aksila Khusna, Asmaul; Devi, Dinna; Putri, Heffi Anindya
Medula Vol 16 No 4 (2026): Medula
Publisher : CV. Jasa Sukses Abadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53089/medula.v16i4.1857

Abstract

Basal cell carcinoma (BCC) is a malignant neoplasm arising from the basal layer of the epidermis and is the most common type of skin cancer, yet it is rarely found in the axillary region due to minimal ultraviolet exposure. Wide local excision is the main therapeutic option to achieve tumor-free margins and prevent recurrence. We report a case of a 46-year-old man presenting with a tumor in the left axilla that had gradually enlarged over one year and developed ulceration within the last three months. The initial lesion appeared as a small pruritic nodule that progressively enlarged and ruptured due to scratching. Physical examination revealed a 5 × 2 × 2 cm tumor with a necrotic base, regular margins, elevated edges, and firm consistency. A clinical diagnosis of BCC was established and confirmed by histopathological examination as nodular type. The patient underwent wide local excision with adequate margins. One-month postoperative evaluation showed good wound healing without signs of recurrence. Repeated trauma and chronic inflammation are considered potential risk factors for BCC in sun-protected areas such as the axilla. BCC rarely metastasizes and has a favorable prognosis when diagnosed and treated early. Adequate wide local excision plays a crucial role in reducing recurrence, with a recurrence rate of approximately 1% when completely excised.