Warfarin-induced calciphylaxis successfully treated with sodium thiosulphate.

Calciphylaxis is a rare life-threatening form of skin necrosis. Although traditionally observed in patients with end-stage renal disease and/or hyperparathyroidism, calciphylaxis has also been reported to occur in 'non-traditional' patients with normal renal and parathyroid function. We report a case of warfarin-induced calciphylaxis treated successfully with sodium thiosulphate and discuss the role of Vitamin K2 as a potential therapeutic option in the management of warfarin-induced calciphylaxis.

A rare cutaneous presentation of metastatic parotid adenocarcinoma.

Primary adenocarcinomas of the parotid gland are rare, accounting for < 5% of all head and neck malignant neoplasms. The biological behaviour of these tumours varies considerably. Low-grade tumours are minimally invasive, whereas high-grade tumours show a high incidence of local recurrence and distant metastases. We report a case of metastatic parotid adenocarcinoma which presented with cutaneous features. This case illustrates that such salivary gland malignancies can very rarely present to the dermatologist. These potentially aggressive tumours require prompt diagnosis and management with multidisciplinary team input to ensure that the appropriate treatment is instigated.

The AIRNS flap: an alternative to the bilobed flap for the repair of defects of the distal nose.

BACKGROUND: Defects of the distal nose and nasal tip are inherently challenging to reconstruct. Although the bilobed flap has a pivotal role for the closure of such defects to achieve a satisfactory outcome, it demands meticulous planning and execution. OBJECTIVE: We sought to present our experience of the advancement and inferior rotation of the nasal sidewall (AIRNS) flap as a possible alternative to the bilobed flap for reconstruction of the distal nose. METHODS: All patients who underwent AIRNS repair after Mohs tumor extirpation of the nose at 2 regional skin cancer units since April 2011 were reviewed. RESULTS: In all, 45 patients underwent the AIRNS flap repair. There were 25 men and 20 women, with a mean age of 70 years (range 41-88). The average defect size was 1.2 × 1.2 cm. The majority of cases involved the nasal tip. A single case of postoperative infection occurred in a smoker, which resolved without any long-term sequelae. No cases of flap necrosis or nasal airflow obstruction were seen. All cases produced good or excellent cosmetic results. LIMITATIONS: Because of blunting of the superior alar crease, which may be avoided in a bilobed repair, the AIRNS flap is best avoided in laterally based defects of the nasal alar. CONCLUSIONS: The AIRNS flap is a reliable, single-stage closure option that, in our opinion, is simpler in design and execution compared with the bilobed flap and thus adds to the reconstructive surgeon's armamentarium when faced with centrally located defects of the distal nose.

The spectrum of spitzoid tumours: A clinical study.

This study explores the relationship between different types of spitzoid tumours, spindle cell naevus of Reed and spitzoid melanomas. Clinical and histopathological data were retrospectively reviewed from our hospital database in Cambridge from January 2006 to July 2009. Clinical images, where available, were recorded. Search headings from our pathology database included 'spitzoid tumours', 'Spitz naevi', 'atypical spitzoid tumours', spitzoid tumours of uncertain malignant potential ('STUMP'), 'spindle cell naevus of Reed' and 'spitzoid melanomas'. The total number of spitzoid tumours was 118 comprising Spitz naevi (72), atypical spitzoid tumours (30), spitzoid melanomas (eight), and other naevi with spitzoid features (eight). In total, 60% of Spitz naevi were diagnosed clinically and 50% reported a history of change with spitzoid melanoma, compared with 32% with Spitz naevi. In all, 60% of Spitz naevi and atypical spitzoid tumours were pigmented in contrast with spitzoid melanomas (83%). Variegated pigmentation was found in 20% of Spitz naevi and atypical spitzoid tumours, however, no spitzoid melanomas had mixed pigmentation. There were 30 atypical spitzoid tumours (9 M : 21 F); 16 occurred on the lower limbs, peaking in the 20-30-years age group. There were eight patients with spitzoid melanomas with a 7:1 F : M ratio, 50% of which were diagnosed clinically. Of the 34 spindle cell naevus of Reed (10 M : 24 F), 31 were misdiagnosed, most commonly as melanoma. Reed naevi peaked in the 30-40 year age group and on the upper limbs and lower limbs in the 20-30-years age group. In summary, age and sex appeared helpful in distinguishing benign from malignant spitzoid tumours, however history was less discriminatory. Spitzoid melanomas, most of which were pigmented occurred more commonly in females. Atypical spitzoid tumours were more common in females and pathologists favoured malignancy in this group beyond 20 years of age.