Benign self-limiting sarcoidosis with skin and joint involvement

Area of Science:

• Rheumatology
• Dermatology
• Pulmonology

Background:

• Sarcoidosis is an inflammatory disease that can affect multiple organs.
• Erythema nodosum and erythema diffusion are distinct skin manifestations of sarcoidosis.
• Lofgren's syndrome and Caplan's syndrome are specific sarcoidosis presentations.

Purpose of the Study:

• To describe three cases of sarcoidosis with simultaneous nodular and diffuse skin lesions.
• To evaluate the clinical distinction between Lofgren's syndrome and Caplan's syndrome in sarcoidosis patients.

Main Methods:

• Case series presentation.
• Clinical and radiological assessment of three sarcoidosis patients.
• Review of existing literature on sarcoidosis syndromes.

Main Results:

• All three patients presented with erythema nodosum, erythema diffusion, arthritis, and pulmonary involvement.
• The simultaneous occurrence of both skin lesion types was observed.
• Pulmonary involvement and arthritis were common features.

Conclusions:

• The clinical distinction between Lofgren's syndrome and Caplan's syndrome may not be justified.
• Simultaneous nodular and diffuse skin lesions in sarcoidosis indicate overlapping clinical presentations.
• Further research is needed to clarify sarcoidosis classification based on skin manifestations.