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Mar 4, 2023 · Salt and pepper sign or pepper pot skull refers to multiple tiny well-defined lucencies in the calvaria caused by resorption of trabecular bone in hyperparathyroidism. There is a loss of definition between the inner and outer tables of the skull and a ground-glass appearance as well as spotty deossification.
The salt-and-pepper appearance is characterized by the presence of vitiligo-like depigmentation with perifollicular pigmentary retention. The rich capillary network surrounding the hair follicle preserves melanogenesis, and hence the retained perifollicular pigmentation in systemic sclerosis.[ 2 ]
Aug 18, 2024 · The salt and pepper sign is used to refer to a speckled appearance of tissue on imaging. It is used in many contexts, but most commonly for the appearance of certain lesions on MRI, especially paragangliomas .
Oct 25, 2021 · The characteristic salt and pepper appearance was noted over forehead, upper chest and back (Figure 1). Serological markers were positive for anti-nuclear antibody (1:160 in Hep2 cell line) and anti-topoisomerase antibody.
The salt and pepper appearance, first described in 1987 by Olsen et al, is a characteristic imaging feature of paragangliomas, found on T1 and T2 MRI sequences, reflecting its hypervascular nature (See Fig. 1 and Fig. 2).
Salt and pepper appearance of the skull (sometimes called, pepper pot skull), bone cysts, brown tumors of long bones, and subperiosteal resorption of the distal phalanges are usual radiological features of osteitis fibrosa cystica.
Sep 1, 2012 · The salt-and-pepper appearance is characterized by the presence of vitiligo-like depigmentation with perifollicular pigmentary retention. [ 2] . The rich capillary network surrounding the hair follicle preserves melanogenesis, and hence the retained perifollicular pigmentation in systemic sclerosis. [ 2]
